DS_Mrt_Level - Disease Staging:Mortality Level
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes

Disease Staging was assigned using software developed by Medstat. Starting with the 2008 NIS, this data element is unavailable because it was discontinued as part of the Disease Staging software. This severity measure includes the disease category and stage for the principal diagnosis and predictive scales for mortality, length of stay, and total charges. The prefix "DS_" has been included in the data element name to distinguish the Disease Staging measures from other HCUP data elements. For more information, please refer to the following documents available on the NIS Documentation CD-ROM and on the HCUP User Support Website (www.hcup-us.ahrq.gov):

  • Overview of Severity Systems
  • Disease Staging V5.2 Diagnostic Categories
  • Disease Staging V5.2 Reference Guide

Uniform Values
VariableDescriptionValueValue Description
DS_Mrt_LevelDisease Staging:Mortality Level 0Extremely low - excluded from percentile calculation (mortality probability less than .0001)
1Very low (less than 5% of patients)
2Low (5 - 25% of patients)
3Medium (25 - 75% of patients)
4High (75 - 95% of patients)
5Very high (greater than 95% of patients)
State Specific Notes


For the 2003 KID, this data element is not available for discharges from Pennsylvania.


Internet Citation: HCUP KID Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). September 2008. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/ds_mrt_level/kidnote.jsp.
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Last modified 9/17/08