Central Distributor SID: Description of Data Elements

MDC10 - MDC, Version 10

Documentation Sections:

General Notes

Uniform Values

State Specific Notes

General Notes

The Major Diagnostic Category, Version 10 (MDC10) is assigned by the HCFA DRG Grouper algorithm during HCUP processing. Refer to the notes for the data element DRG10 for complete details. MDC10 is available on the HCUP databases from 1988 to 1999. Labels Labels for the MDCs are provided as an ASCII file in HCUP Tools: Labels and Formats.

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Uniform Values

Variable Description Value Value Description MDC10 MDC, Version 10 nn MDC value

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State Specific Notes

California One discharge in 1991 with an invalid principal diagnosis code (DXV1=1) and at least one non-missing secondary diagnosis code (DX2, etc.) had the incorrect DRG10 and MDC10 assigned because of a error in HCUP processing. The DRG10 should have been 470; and the MDC10 should have been equal to 0. No other years are affected.

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