Skip Navigation
Healthcare Cost and Utilization Project logo
Sources of KID Data and State-Specific Restrictions 2003
 search icon
 
  Home      Databases      Tools & Software      Reports      News & Events      Technical Assistance   

 

AZ
Arizona Department of Health Services


No restrictions

 

CA
Office of Statewide Health Planning & Development


Confidentiality of Records
 
  • To meet California confidentiality requirements, admission month (AMONTH), age in years (AGE), age in days (AGEDAY), age in months (AGEMONTH), gender (FEMALE), and race (RACE), are suppressed for some records. In some cases, AGE was suppressed, but an age category was available. In these cases, we set AGE to the midpoint of the best available age category.


Confidentiality of Physicians
    California does not allow the release of physician identifiers and does not supply physician identifiers to HCUP.
 
CO
Colorado Health & Hospital Association


No restrictions

 

CT
CHIME, Inc.


Confidentiality of Hospitals
 
    CHIME requested that Connecticut’s one Children’s Medical Center be excluded from the KID. In addition, CHIME required that hospitals not be identified in the KID. The following data elements are set to missing for all Connecticut hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type (for some hospitals).


Confidentiality of Records
 
    CHIME requested that age in days at admission (AGEDAY), age in months at admission (AGEMONTH), and admission month (AMONTH) be set to missing in the KID.


Confidentiality of Physicians
 
    CHIME does not allow the release of physician identifiers. Beginning with 2000 data, CHIME did not supply physician identifiers to HCUP.

 

FL
Florida Agency for Health Care Administration


Confidentiality of Records
 
  • Florida does not allow the release of admission month (AMONTH). In 2003, Florida did not supply admission month to HCUP.
  • Florida requested that age in days at admission (AGEDAY) and age in months at admission (AGEMONTH) be set to missing in the KID.

 

GA
GHA: An Association of Hospitals & Health Systems


Confidentiality of Hospitals
 
    GHA requested that no more than 60% of Georgia hospitals be included in the KID.

    • Ninety-six out of 160 Georgia hospitals (60%) were included in the 2003 KID.

    To meet Georgia confidentiality requirements, hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum or the hospital was a stand-alone children’s hospitals.

    • In the 2003 KID, two hospitals needed to be dropped from the sampling frame.

    Georgia requested that hospitals not be identified in the KID. The following data elements are set to missing for all Georgia hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type
    • PEDS_DISC, number of discharges, 20 years old or younger, from this hospital
    • PEDS_PCT, percentage of hospital discharges, 20 years old or younger
    • TOTAL_DISC, total number of discharges from this hospital.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bed size of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital

    had fewer than two hospitals in the universe of Georgia hospitals.
Confidentiality of Records
 
    Georgia requested that the patient’s race (RACE) be set to missing in the KID.


Confidentiality of Physicians
 
    Georgia requested that the following data elements be set to missing in the KID:

    • First synthetic physician identifier (MDNUM1_R)
    • Second synthetic physician identifier (MDNUM2_R).

 

HI
Hawaii Health Information Corporation


Confidentiality of Hospitals
 
    Some Hawaii hospitals were dropped from the sampling frame to meet confidentiality requirements. Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum.

    • In the 2003 KID, 4 out of 20 hospitals needed to be dropped from the sampling frame.

    Hawaii requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Hawaii hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bed size of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of Hawaii hospitals.

 

IA
Iowa Hospital Association


Missing Discharges
 
    The Iowa Hospital Association prohibits the release of two types of discharges:

    • HIV Infections (defined by MDC of 25) and
    • Behavioral Health including chemical dependency care or psychiatric care (defined by a service code of BHV).

    These discharges were not included in the source file provided to HCUP and are therefore not included in the KID.

 

IL
Illinois Department of Public Health


Confidentiality of Hospitals
 
    Illinois Department of Public Health requested that no more than 40% of Illinois discharges appear in any discharge quarter of KID data.

    • About ten percent (10%) of the discharges in Illinois were sampled for the 2003 KID. No hospitals were dropped from the sampling frame.
Confidentiality of Physicians
 
    Illinois does not allow the release of physician identifiers and did not supply physician identifiers to HCUP.

 

IN
Indiana Hospital & Health Association


Confidentiality of Hospitals
 
    To meet Indiana confidentiality requirements, hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum.

    • In the 2003 KID, one out of 106 hospitals needed to be dropped from the sampling frame.

    Indiana requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Indiana hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bed size of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of Indiana hospitals.
Confidentiality of Physicians
 
    Indiana does not allow the release of physician identifiers and did not supply physician identifiers to HCUP.

 

KS
Kansas Hospital Association


Confidentiality of Hospitals
 
    Kansas requested that hospitals not be identified in the KID. The following data elements are set to missing for all Kansas hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

 

KY
Kentucky Department for Public Health


No restrictions

 

MA
Division of Health Care Finance and Policy


Confidentiality of Records
 
    Massachusetts requested that age in days at admission (AGEDAY) be set to missing in the KID.
Confidentiality of Physicians
 
    Massachusetts requested that the following data elements be set to missing in the KID:

    • First synthetic physician identifier (MDNUM1_R) and
    • Second synthetic physician identifier (MDNUM2_R).

 

MD
Health Services Cost Review Commission


No restrictions

 

MI
Michigan Health & Hospital Association


Confidentiality of Hospitals
 
    Some Michigan hospitals were dropped from the sampling frame for two reasons:

    • To meet Michigan confidentiality requirements, hospitals were to be dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum. In the 2003 KID, one hospital needed to be dropped from the sampling frame.


    • 36 out of 132 hospitals were dropped from the sampling frame because they did not report total charges. These hospitals were fairly evenly distributed by hospital type. There were no sampling strata in the state containing only hospitals without total charges.

    Michigan requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Michigan hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of Michigan hospitals.

 

MN
Minnesota Hospital Association


No restrictions

 

MO
Hospital Industry Data Institute


Confidentiality of Hospitals
 
    Missouri requested that hospitals not be identified in the KID. The following data elements are set to missing for all Kansas hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

 

NC
North Carolina Department of Health and Human Services


Confidentiality of Physicians
 
    North Carolina requested that the following data elements be set to missing in the KID:

    • First synthetic physician identifier (MDNUM1_R) and
    • Second synthetic physician identifier (MDNUM2_R).

 

NE
Nebraska Hospital Association


Confidentiality of Hospitals
 
    Some Nebraska hospitals were dropped from the sampling frame for two reasons:

    • To meet Nebraska confidentiality requirements, hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum. In the 2003 KID, three out of 82 hospitals needed to be dropped from the sampling frame.


    • Nebraska Hospital Association requested that the two stand-alone children’s hospitals be excluded from the 2003 KID.

    Nebraska requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Nebraska hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital

    had fewer than two hospitals in the universe of Nebraska hospitals.
Missing Discharges
 
    The Nebraska Hospital Association prohibits the release of discharge records for patients with HIV diagnoses. These discharges were not included in the source file provided to HCUP and are therefore not included in the KID.

 

NH
New Hampshire Department of Health & Human Services


Confidentiality of Records
 
    New Hampshire requested that age in days at admission (AGEDAY) be set to missing in the KID.

 

NJ
New Jersey Department of Health & Senior Services


No restrictions

 

NV
Nevada Department of Human Resources


No restrictions

 

NY
York State Department of Health


Confidentiality of Records
 
    New York requested that the birth weight (BWT) be set to missing in the KID.

 

OH
Ohio Hospital Association


Confidentiality of Hospitals
 
    Ohio masked the identities of three hospitals in the data provided to HCUP. These three hospitals were not included in the sampling frame because we were unable to match them to the AHA data.

    To meet Ohio confidentiality requirements, hospitals were to be dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum.

    • In the 2003 KID, no hospitals needed to be dropped from the sampling frame.

    Ohio requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Ohio hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of Ohio hospitals.
Confidentiality of Physicians
 
    Ohio does not allow the release of physician identifiers and did not supply physician identifiers to HCUP.

 

OR
Oregon Association of Hospitals & Health Systems


No restrictions

 

RI
Rhode Island Department of Health


No restrictions

 

SC
South Carolina State Budget & Control Board


Confidentiality of Hospitals
 
    Some South Carolina hospitals were dropped from the sampling frame to meet confidentiality requirements.

    • In the 2003 KID, seven hospitals needed to be dropped from the sampling frame in order to protect the confidentiality of the hospitals.

    South Carolina requested that hospitals not be identified in the KID database. The following data elements are set to missing for all South Carolina hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of South Carolina hospitals.
Confidentiality of Records
 
    South Carolina requested that age in days at admission (AGEDAY) and age in months at admission (AGEMONTH) be set to missing in the KID.

 

SD
South Dakota Association of Healthcare Organizations


Confidentiality of Hospitals
 
    Some South Dakota hospitals were dropped from the sampling frame to meet confidentiality requirements. Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum.

    • In the 2003 KID, two out of 45 hospitals needed to be dropped from the sampling frame in order to protect the confidentiality of the hospitals.

    South Dakota requested that hospitals not be identified in the KID database. The following data elements are set to missing for all South Dakota hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of South Dakota hospitals.

 

TN
Tennessee Hospital Association


Confidentiality of Hospitals
 
    Some Tennessee hospitals were dropped from the sampling frame to meet confidentiality requirements. Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in a sampling stratum.

    • In the 2003 KID, no hospitals needed to be dropped from the sampling frame in order to protect the confidentiality of the hospitals.

    Tennessee requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Tennessee hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    In order to further ensure the confidentiality of hospitals, stratifier data elements were set to missing if the cell, as defined by

    • HOSP_CONTROL, control/ownership of hospital
    • HOSP_LOCATION, location (urban/rural) of hospital
    • HOSP_TEACH, teaching status of hospital
    • HOSP_BEDSIZE, bedsize of hospital
    • HOSP_LOCTEACH, location/teaching status of hospital
    • NACHTYPE, National Association of Children’s Hospitals and Related Institutions (NACHRI) hospital type

    had fewer than two hospitals in the universe of Tennessee hospitals.

 

TX
Texas Department of State Health Services (2003) Texas Health Care Information Council (prior to 2003)


Confidentiality of Hospitals
 
    Texas requested that hospitals not be identified in the KID database. The following data elements are set to missing for all Texas hospitals:

    • DSHOSPID, data source hospital identifier
    • HOSPSTCO, hospital state, county FIPS code
    • IDNUMBER, AHA hospital identifier without leading 6
    • AHAID, AHA hospital identifier with leading 6
    • HOSPNAME, hospital name
    • HOSPCITY, hospital city
    • HOSPADDR, hospital address
    • HOSPZIP, hospital ZIP Code.

    Confidentiality of Records
 
    • Texas requested that age in days at admission (AGEDAY) and age in months at admission (AGEMONTH) be set to missing in the KID.


    • Texas requested that age in years (AGE) be set to the midpoints of age ranges defined by THCIC. There are six age groups for the general patient population.

Texas Restriction on AGE for General Patient Population other than HIV or Drug/Alcohol Use Patients
Age Range New value of AGE
0 0
1-4 2
5-9 7
10-14 12
15-17 16
18-20 19

 
    • Texas also requested that age in years (AGE) be set missing for HIV or alcohol/drug use patients. The HIV or drug/alcohol use patients are identified by any principal or secondary diagnosis code on the record having the first four characters equal to one of the values in the following list: ‘2910’, ‘2911’, ‘2912’, ‘2913’, ‘2914’, ‘2915’, ‘2918’, ‘2919’, ‘2920’, ‘2921’, ‘2922’, ‘2928’, ‘2929’, ‘3030’, ‘3039’, ‘3040’, ‘3041’, ‘3042’, ‘3043’, ‘3044’, ‘3045’, ‘3046’, ‘3047’, ‘3048’,‘3049’, ‘3050’, ‘3052’, ‘3053’, ‘3054’, ‘3055’, ‘3056’, ‘3057’, ‘3058’, ‘3059’, ‘7903’, and ‘042 ’.

 

UT
Utah Department of Health


Confidentiality of Physicians
 
    Utah requested that the following data elements be set to missing in the KID:

    • First synthetic physician identifier (MDNUM1_R) and
    • Second synthetic physician identifier (MDNUM1_R).

 

VA
Virginia Health Information


Confidentiality of Hospitals
 
    The KID may not include more than 50% of the hospitals in Virginia.

    • Forty-four of 89 hospitals (49%) of the hospitals in Virginia were included in the 2003 KID.

 

VT
Vermont Association of Hospitals and Health Systems


Confidentiality of Physicians
 
    Vermont requested that the following data elements be set to missing in the KID:

    • First synthetic physician identifier (MDNUM1_R) and
    • Second synthetic physician identifier (MDNUM2_R).

 

WA
Washington State Department of Health


No restrictions

 

WI
Wisconsin Department of Health & Family Services


No restrictions

 

WV
West Virginia Health Care Authority


Confidentiality of Physicians
 
    West Virginia does not allow the release of physician identifiers and did not supply physician identifiers to HCUP.

 

Additional information is available on the AHRQ Website.
If you have comments, suggestions, and/or questions, please contact hcup@ahrq.gov.
Are you having problems viewing or printing pages on this Website?
Internet Citation: 2003 KID Data and State-Specific Restrictions. Healthcare Cost and Utilization Project (HCUP). March 2006
Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/nation/kid/kid_2003_stspecific_restr.jsp.
Last modified 3/8/06