/*******************************************************************            
*   SC_SID_2004_CORE.SAS:                                                       
*      THE SAS CODE SHOWN BELOW WILL LOAD THE ASCII                             
*      INPATIENT STAY CORE FILE INTO SAS                                        
*******************************************************************/            
                                                                                
                                                                                
***********************************************;                                
*  Create SAS informats for missing values     ;                                
***********************************************;                                
PROC FORMAT;                                                                    
  INVALUE N2PF                                                                  
    '-9' = .                                                                    
    '-8' = .A                                                                   
    '-6' = .C                                                                   
    '-5' = .N                                                                   
    OTHER = (|2.|)                                                              
  ;                                                                             
  INVALUE N3PF                                                                  
    '-99' = .                                                                   
    '-88' = .A                                                                  
    '-66' = .C                                                                  
    OTHER = (|3.|)                                                              
  ;                                                                             
  INVALUE N4PF                                                                  
    '-999' = .                                                                  
    '-888' = .A                                                                 
    '-666' = .C                                                                 
    OTHER = (|4.|)                                                              
  ;                                                                             
  INVALUE N4P1F                                                                 
    '-9.9' = .                                                                  
    '-8.8' = .A                                                                 
    '-6.6' = .C                                                                 
    OTHER = (|4.1|)                                                             
  ;                                                                             
  INVALUE N5PF                                                                  
    '-9999' = .                                                                 
    '-8888' = .A                                                                
    '-6666' = .C                                                                
    OTHER = (|5.|)                                                              
  ;                                                                             
  INVALUE N5P2F                                                                 
    '-9.99' = .                                                                 
    '-8.88' = .A                                                                
    '-6.66' = .C                                                                
    OTHER = (|5.2|)                                                             
  ;                                                                             
  INVALUE N6PF                                                                  
    '-99999' = .                                                                
    '-88888' = .A                                                               
    '-66666' = .C                                                               
    OTHER = (|6.|)                                                              
  ;                                                                             
  INVALUE N6P2F                                                                 
    '-99.99' = .                                                                
    '-88.88' = .A                                                               
    '-66.66' = .C                                                               
    OTHER = (|6.2|)                                                             
  ;                                                                             
  INVALUE N7P2F                                                                 
    '-999.99' = .                                                               
    '-888.88' = .A                                                              
    '-666.66' = .C                                                              
    OTHER = (|7.2|)                                                             
  ;                                                                             
  INVALUE N7P4F                                                                 
    '-9.9999' = .                                                               
    '-8.8888' = .A                                                              
    '-6.6666' = .C                                                              
    OTHER = (|7.4|)                                                             
  ;                                                                             
  INVALUE N8PF                                                                  
    '-9999999' = .                                                              
    '-8888888' = .A                                                             
    '-6666666' = .C                                                             
    OTHER = (|8.|)                                                              
  ;                                                                             
  INVALUE N8P2F                                                                 
    '-9999.99' = .                                                              
    '-8888.88' = .A                                                             
    '-6666.66' = .C                                                             
    OTHER = (|8.2|)                                                             
  ;                                                                             
  INVALUE N9PF                                                                  
    '-99999999' = .                                                             
    '-88888888' = .A                                                            
    '-66666666' = .C                                                            
    OTHER = (|9.|)                                                              
  ;                                                                             
  INVALUE N10PF                                                                 
    '-999999999' = .                                                            
    '-888888888' = .A                                                           
    '-666666666' = .C                                                           
    OTHER = (|10.|)                                                             
  ;                                                                             
  INVALUE N10P4F                                                                
    '-9999.9999' = .                                                            
    '-8888.8888' = .A                                                           
    '-6666.6666' = .C                                                           
    OTHER = (|10.4|)                                                            
  ;                                                                             
  INVALUE N10P5F                                                                
    '-999.99999' = .                                                            
    '-888.88888' = .A                                                           
    '-666.66666' = .C                                                           
    OTHER = (|10.5|)                                                            
  ;                                                                             
  INVALUE DATE10F                                                               
    '-999999999' = .                                                            
    '-888888888' = .A                                                           
    '-666666666' = .C                                                           
    OTHER = (|MMDDYY10.|)                                                       
  ;                                                                             
  INVALUE N12P2F                                                                
    '-99999999.99' = .                                                          
    '-88888888.88' = .A                                                         
    '-66666666.66' = .C                                                         
    OTHER = (|12.2|)                                                            
  ;                                                                             
  INVALUE N12P5F                                                                
    '-99999.99999' = .                                                          
    '-88888.88888' = .A                                                         
    '-66666.66666' = .C                                                         
    OTHER = (|12.5|)                                                            
  ;                                                                             
  INVALUE N15P2F                                                                
    '-99999999999.99' = .                                                       
    '-88888888888.88' = .A                                                      
    '-66666666666.66' = .C                                                      
    OTHER = (|15.2|)                                                            
  ;                                                                             
  RUN;                                                                          
                                                                                
                                                                                
*******************************;                                                
*  Data Step                  *;                                                
*******************************;                                                
DATA SC_SIDC_2004_CORE;                                                         
INFILE 'SC_SID_2004_CORE.ASC' LRECL = 400;                                      
                                                                                
*** Variable attribute ***;                                                     
ATTRIB                                                                          
  KEY                        LENGTH=8                 FORMAT=Z14.               
  LABEL="HCUP record identifier"                                                
                                                                                
  AMONTH                     LENGTH=3                                           
  LABEL="Admission month"                                                       
                                                                                
  ASOURCE                    LENGTH=3                                           
  LABEL="Admission source (uniform)"                                            
                                                                                
  ASOURCE_X                  LENGTH=$1                                          
  LABEL="Admission source (as received from source)"                            
                                                                                
  ATYPE                      LENGTH=3                                           
  LABEL="Admission type"                                                        
                                                                                
  AWEEKEND                   LENGTH=3                                           
  LABEL="Admission day is a weekend"                                            
                                                                                
  DaysICU                    LENGTH=3                                           
  LABEL="Days in medical/surgical intensive care unit (as received from source)"
                                                                                
  DIED                       LENGTH=3                                           
  LABEL="Died during hospitalization"                                           
                                                                                
  DISP_X                     LENGTH=$2                                          
  LABEL="Disposition of patient (as received from source)"                      
                                                                                
  DISPUB92                   LENGTH=3                                           
  LABEL="Disposition of patient (UB-92 standard coding)"                        
                                                                                
  DISPUNIFORM                LENGTH=3                                           
  LABEL="Disposition of patient (uniform)"                                      
                                                                                
  DQTR                       LENGTH=3                                           
  LABEL="Discharge quarter"                                                     
                                                                                
  DRG                        LENGTH=3                                           
  LABEL="DRG in effect on discharge date"                                       
                                                                                
  DRG18                      LENGTH=3                                           
  LABEL="DRG, version 18"                                                       
                                                                                
  DRGVER                     LENGTH=3                                           
  LABEL="DRG grouper version used on discharge date"                            
                                                                                
  DX1                        LENGTH=$5                                          
  LABEL="Principal diagnosis"                                                   
                                                                                
  DX2                        LENGTH=$5                                          
  LABEL="Diagnosis 2"                                                           
                                                                                
  DX3                        LENGTH=$5                                          
  LABEL="Diagnosis 3"                                                           
                                                                                
  DX4                        LENGTH=$5                                          
  LABEL="Diagnosis 4"                                                           
                                                                                
  DX5                        LENGTH=$5                                          
  LABEL="Diagnosis 5"                                                           
                                                                                
  DX6                        LENGTH=$5                                          
  LABEL="Diagnosis 6"                                                           
                                                                                
  DX7                        LENGTH=$5                                          
  LABEL="Diagnosis 7"                                                           
                                                                                
  DX8                        LENGTH=$5                                          
  LABEL="Diagnosis 8"                                                           
                                                                                
  DX9                        LENGTH=$5                                          
  LABEL="Diagnosis 9"                                                           
                                                                                
  DX10                       LENGTH=$5                                          
  LABEL="Diagnosis 10"                                                          
                                                                                
  DXCCS1                     LENGTH=4                                           
  LABEL="CCS: principal diagnosis"                                              
                                                                                
  DXCCS2                     LENGTH=4                                           
  LABEL="CCS: diagnosis 2"                                                      
                                                                                
  DXCCS3                     LENGTH=4                                           
  LABEL="CCS: diagnosis 3"                                                      
                                                                                
  DXCCS4                     LENGTH=4                                           
  LABEL="CCS: diagnosis 4"                                                      
                                                                                
  DXCCS5                     LENGTH=4                                           
  LABEL="CCS: diagnosis 5"                                                      
                                                                                
  DXCCS6                     LENGTH=4                                           
  LABEL="CCS: diagnosis 6"                                                      
                                                                                
  DXCCS7                     LENGTH=4                                           
  LABEL="CCS: diagnosis 7"                                                      
                                                                                
  DXCCS8                     LENGTH=4                                           
  LABEL="CCS: diagnosis 8"                                                      
                                                                                
  DXCCS9                     LENGTH=4                                           
  LABEL="CCS: diagnosis 9"                                                      
                                                                                
  DXCCS10                    LENGTH=4                                           
  LABEL="CCS: diagnosis 10"                                                     
                                                                                
  ECODE1                     LENGTH=$5                                          
  LABEL="E code 1"                                                              
                                                                                
  ECODE2                     LENGTH=$5                                          
  LABEL="E code 2"                                                              
                                                                                
  ECODE3                     LENGTH=$5                                          
  LABEL="E code 3"                                                              
                                                                                
  ECODE4                     LENGTH=$5                                          
  LABEL="E code 4"                                                              
                                                                                
  ECODE5                     LENGTH=$5                                          
  LABEL="E code 5"                                                              
                                                                                
  ECODE6                     LENGTH=$5                                          
  LABEL="E code 6"                                                              
                                                                                
  ECODE7                     LENGTH=$5                                          
  LABEL="E code 7"                                                              
                                                                                
  E_CCS1                     LENGTH=3                                           
  LABEL="CCS: E Code 1"                                                         
                                                                                
  E_CCS2                     LENGTH=3                                           
  LABEL="CCS: E Code 2"                                                         
                                                                                
  E_CCS3                     LENGTH=3                                           
  LABEL="CCS: E Code 3"                                                         
                                                                                
  E_CCS4                     LENGTH=3                                           
  LABEL="CCS: E Code 4"                                                         
                                                                                
  E_CCS5                     LENGTH=3                                           
  LABEL="CCS: E Code 5"                                                         
                                                                                
  E_CCS6                     LENGTH=3                                           
  LABEL="CCS: E Code 6"                                                         
                                                                                
  E_CCS7                     LENGTH=3                                           
  LABEL="CCS: E Code 7"                                                         
                                                                                
  FEMALE                     LENGTH=3                                           
  LABEL="Indicator of sex"                                                      
                                                                                
  HOSPST                     LENGTH=$2                                          
  LABEL="Hospital state postal code"                                            
                                                                                
  LOS                        LENGTH=4                                           
  LABEL="Length of stay (cleaned)"                                              
                                                                                
  LOS_X                      LENGTH=4                                           
  LABEL="Length of stay (as received from source)"                              
                                                                                
  MDC                        LENGTH=3                                           
  LABEL="MDC in effect on discharge date"                                       
                                                                                
  MDC18                      LENGTH=3                                           
  LABEL="MDC, version 18"                                                       
                                                                                
  MDSPEC1                    LENGTH=$3                                          
  LABEL="Physician 1 specialty (as received from source)"                       
                                                                                
  MDSPEC2                    LENGTH=$3                                          
  LABEL="Physician 2 specialty (as received from source)"                       
                                                                                
  NDX                        LENGTH=3                                           
  LABEL="Number of diagnoses on this record"                                    
                                                                                
  NECODE                     LENGTH=3                                           
  LABEL="Number of E codes on this record"                                      
                                                                                
  NEOMAT                     LENGTH=3                                           
  LABEL="Neonatal and/or maternal DX and/or PR"                                 
                                                                                
  NPR                        LENGTH=3                                           
  LABEL="Number of procedures on this record"                                   
                                                                                
  PAY1                       LENGTH=3                                           
  LABEL="Primary expected payer (uniform)"                                      
                                                                                
  PAY1_X                     LENGTH=$2                                          
  LABEL="Primary expected payer (as received from source)"                      
                                                                                
  PL_RUCA10                  LENGTH=3                                           
  LABEL="Patient location: Rural-Urban Commuting Area (RUCA) Codes, ten levels" 
                                                                                
  PL_RUCA4                   LENGTH=3                                           
  LABEL="Patient location: Rural-Urban Commuting Area (RUCA) Codes, four levels"
                                                                                
  PR1                        LENGTH=$4                                          
  LABEL="Principal procedure"                                                   
                                                                                
  PR2                        LENGTH=$4                                          
  LABEL="Procedure 2"                                                           
                                                                                
  PR3                        LENGTH=$4                                          
  LABEL="Procedure 3"                                                           
                                                                                
  PR4                        LENGTH=$4                                          
  LABEL="Procedure 4"                                                           
                                                                                
  PR5                        LENGTH=$4                                          
  LABEL="Procedure 5"                                                           
                                                                                
  PR6                        LENGTH=$4                                          
  LABEL="Procedure 6"                                                           
                                                                                
  PR7                        LENGTH=$4                                          
  LABEL="Procedure 7"                                                           
                                                                                
  PR8                        LENGTH=$4                                          
  LABEL="Procedure 8"                                                           
                                                                                
  PR9                        LENGTH=$4                                          
  LABEL="Procedure 9"                                                           
                                                                                
  PR10                       LENGTH=$4                                          
  LABEL="Procedure 10"                                                          
                                                                                
  PRCCS1                     LENGTH=3                                           
  LABEL="CCS: principal procedure"                                              
                                                                                
  PRCCS2                     LENGTH=3                                           
  LABEL="CCS: procedure 2"                                                      
                                                                                
  PRCCS3                     LENGTH=3                                           
  LABEL="CCS: procedure 3"                                                      
                                                                                
  PRCCS4                     LENGTH=3                                           
  LABEL="CCS: procedure 4"                                                      
                                                                                
  PRCCS5                     LENGTH=3                                           
  LABEL="CCS: procedure 5"                                                      
                                                                                
  PRCCS6                     LENGTH=3                                           
  LABEL="CCS: procedure 6"                                                      
                                                                                
  PRCCS7                     LENGTH=3                                           
  LABEL="CCS: procedure 7"                                                      
                                                                                
  PRCCS8                     LENGTH=3                                           
  LABEL="CCS: procedure 8"                                                      
                                                                                
  PRCCS9                     LENGTH=3                                           
  LABEL="CCS: procedure 9"                                                      
                                                                                
  PRCCS10                    LENGTH=3                                           
  LABEL="CCS: procedure 10"                                                     
                                                                                
  PRDAY1                     LENGTH=4                                           
  LABEL="Number of days from admission to PR1"                                  
                                                                                
  PRDAY2                     LENGTH=4                                           
  LABEL="Number of days from admission to PR2"                                  
                                                                                
  PRDAY3                     LENGTH=4                                           
  LABEL="Number of days from admission to PR3"                                  
                                                                                
  PRDAY4                     LENGTH=4                                           
  LABEL="Number of days from admission to PR4"                                  
                                                                                
  PRDAY5                     LENGTH=4                                           
  LABEL="Number of days from admission to PR5"                                  
                                                                                
  PRDAY6                     LENGTH=4                                           
  LABEL="Number of days from admission to PR6"                                  
                                                                                
  PRDAY7                     LENGTH=4                                           
  LABEL="Number of days from admission to PR7"                                  
                                                                                
  PRDAY8                     LENGTH=4                                           
  LABEL="Number of days from admission to PR8"                                  
                                                                                
  PRDAY9                     LENGTH=4                                           
  LABEL="Number of days from admission to PR9"                                  
                                                                                
  PRDAY10                    LENGTH=4                                           
  LABEL="Number of days from admission to PR10"                                 
                                                                                
  PSTATE                     LENGTH=$2                                          
  LABEL="Patient State postal code"                                             
                                                                                
  PSTCO                      LENGTH=4                                           
  LABEL="Patient state/county FIPS code"                                        
                                                                                
  RACE                       LENGTH=3                                           
  LABEL="Race (uniform)"                                                        
                                                                                
  RACE_X                     LENGTH=$1                                          
  LABEL="Race (as received from source)"                                        
                                                                                
  TOTCHG                     LENGTH=6                                           
  LABEL="Total charges (cleaned)"                                               
                                                                                
  TOTCHG_X                   LENGTH=7                                           
  LABEL="Total charges (as received from source)"                               
                                                                                
  YEAR                       LENGTH=3                                           
  LABEL="Calendar year"                                                         
                                                                                
  AGEGROUP                   LENGTH=3                                           
  LABEL="Age Group"                                                             
  ;                                                                             
                                                                                
                                                                                
*** Input the variables from the ASCII file ***;                                
INPUT                                                                           
      @1      KEY                      14.                                      
      @15     AMONTH                   N2PF.                                    
      @17     ASOURCE                  N2PF.                                    
      @19     ASOURCE_X                $CHAR1.                                  
      @20     ATYPE                    N2PF.                                    
      @22     AWEEKEND                 N2PF.                                    
      @24     DaysICU                  N3PF.                                    
      @27     DIED                     N2PF.                                    
      @29     DISP_X                   $CHAR2.                                  
      @31     DISPUB92                 N2PF.                                    
      @33     DISPUNIFORM              N2PF.                                    
      @35     DQTR                     N2PF.                                    
      @37     DRG                      N3PF.                                    
      @40     DRG18                    N3PF.                                    
      @43     DRGVER                   N2PF.                                    
      @45     DX1                      $CHAR5.                                  
      @50     DX2                      $CHAR5.                                  
      @55     DX3                      $CHAR5.                                  
      @60     DX4                      $CHAR5.                                  
      @65     DX5                      $CHAR5.                                  
      @70     DX6                      $CHAR5.                                  
      @75     DX7                      $CHAR5.                                  
      @80     DX8                      $CHAR5.                                  
      @85     DX9                      $CHAR5.                                  
      @90     DX10                     $CHAR5.                                  
      @95     DXCCS1                   N4PF.                                    
      @99     DXCCS2                   N4PF.                                    
      @103    DXCCS3                   N4PF.                                    
      @107    DXCCS4                   N4PF.                                    
      @111    DXCCS5                   N4PF.                                    
      @115    DXCCS6                   N4PF.                                    
      @119    DXCCS7                   N4PF.                                    
      @123    DXCCS8                   N4PF.                                    
      @127    DXCCS9                   N4PF.                                    
      @131    DXCCS10                  N4PF.                                    
      @135    ECODE1                   $CHAR5.                                  
      @140    ECODE2                   $CHAR5.                                  
      @145    ECODE3                   $CHAR5.                                  
      @150    ECODE4                   $CHAR5.                                  
      @155    ECODE5                   $CHAR5.                                  
      @160    ECODE6                   $CHAR5.                                  
      @165    ECODE7                   $CHAR5.                                  
      @170    E_CCS1                   N4PF.                                    
      @174    E_CCS2                   N4PF.                                    
      @178    E_CCS3                   N4PF.                                    
      @182    E_CCS4                   N4PF.                                    
      @186    E_CCS5                   N4PF.                                    
      @190    E_CCS6                   N4PF.                                    
      @194    E_CCS7                   N4PF.                                    
      @198    FEMALE                   N2PF.                                    
      @200    HOSPST                   $CHAR2.                                  
      @202    LOS                      N5PF.                                    
      @207    LOS_X                    N6PF.                                    
      @213    MDC                      N2PF.                                    
      @215    MDC18                    N2PF.                                    
      @217    MDSPEC1                  $CHAR3.                                  
      @220    MDSPEC2                  $CHAR3.                                  
      @223    NDX                      N2PF.                                    
      @225    NECODE                   N2PF.                                    
      @227    NEOMAT                   N2PF.                                    
      @229    NPR                      N2PF.                                    
      @231    PAY1                     N2PF.                                    
      @233    PAY1_X                   $CHAR2.                                  
      @235    PL_RUCA10                N2PF.                                    
      @237    PL_RUCA4                 N2PF.                                    
      @239    PR1                      $CHAR4.                                  
      @243    PR2                      $CHAR4.                                  
      @247    PR3                      $CHAR4.                                  
      @251    PR4                      $CHAR4.                                  
      @255    PR5                      $CHAR4.                                  
      @259    PR6                      $CHAR4.                                  
      @263    PR7                      $CHAR4.                                  
      @267    PR8                      $CHAR4.                                  
      @271    PR9                      $CHAR4.                                  
      @275    PR10                     $CHAR4.                                  
      @279    PRCCS1                   N3PF.                                    
      @282    PRCCS2                   N3PF.                                    
      @285    PRCCS3                   N3PF.                                    
      @288    PRCCS4                   N3PF.                                    
      @291    PRCCS5                   N3PF.                                    
      @294    PRCCS6                   N3PF.                                    
      @297    PRCCS7                   N3PF.                                    
      @300    PRCCS8                   N3PF.                                    
      @303    PRCCS9                   N3PF.                                    
      @306    PRCCS10                  N3PF.                                    
      @309    PRDAY1                   N5PF.                                    
      @314    PRDAY2                   N5PF.                                    
      @319    PRDAY3                   N5PF.                                    
      @324    PRDAY4                   N5PF.                                    
      @329    PRDAY5                   N5PF.                                    
      @334    PRDAY6                   N5PF.                                    
      @339    PRDAY7                   N5PF.                                    
      @344    PRDAY8                   N5PF.                                    
      @349    PRDAY9                   N5PF.                                    
      @354    PRDAY10                  N5PF.                                    
      @359    PSTATE                   $CHAR2.                                  
      @361    PSTCO                    N5PF.                                    
      @366    RACE                     N2PF.                                    
      @368    RACE_X                   $CHAR1.                                  
      @369    TOTCHG                   N10PF.                                   
      @379    TOTCHG_X                 N15P2F.                                  
      @394    YEAR                     N4PF.                                    
      @398    AGEGROUP                 N3PF.                                    
      ;                                                                         
                                                                                
                                                                                
RUN;
