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Data Element Name:  Current Severity of Illness for APR-DRG File Location:  Master, De-Identified
Record Positions:  1960 - 1960 Format-Length:  A/N - 1
Effective Date:  2/2010 Revision Date:  February 2010

Definition:

The Severity of Illness (SOI) flag assigned to the claim using the All Patient Refined Diagnostic Related Grouper software, which was developed by 3M Health Information Systems. This information is used to categorize patient records for reimbursement and research purposes. This SOI is specific to the calendar year of the date of discharge.

Codes and Values:
  1. 1 = Minor
    2 = Moderate
    3 = Major
    4 = Extreme

  2. See Appendix Y - Grouper Versions Used by Year Reference File Table.
Edit Applications:
  1. Not applicable - calculated by SPARCS.