MCMedicalCodingSoftware
593

MS-DRG 593: SKIN ULCERS WITH CC

DRGMedicalMDC 09

MS-DRG 593 is skin ulcers with cc, in MDC 09 (a medical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 1.1575, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 4.20 days. 479 ICD-10-CM principal diagnoses group into MS-DRGs 592–594 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
1.1575
Geometric mean LOS
4.20
Arithmetic mean LOS
5.40
Post-acute transfer
Yes

This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.

Principal diagnoses that group to MS-DRGs 592–594

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 479 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 592–594 the case lands in. The 24 most-searched:

  • L97.512Non-pressure chronic ulcer of other part of right foot with fat layer exposed
  • L89.154Pressure ulcer of sacral region, stage 4
  • L97.522Non-pressure chronic ulcer of other part of left foot with fat layer exposed
  • L89.153Pressure ulcer of sacral region, stage 3
  • L97.511Non-pressure chronic ulcer of other part of right foot limited to breakdown of skin
  • L97.519Non-pressure chronic ulcer of other part of right foot with unspecified severity
  • L97.521Non-pressure chronic ulcer of other part of left foot limited to breakdown of skin
  • L97.529Non-pressure chronic ulcer of other part of left foot with unspecified severity
  • L89.152Pressure ulcer of sacral region, stage 2
  • L97.812Non-pressure chronic ulcer of other part of right lower leg with fat layer exposed
  • L97.822Non-pressure chronic ulcer of other part of left lower leg with fat layer exposed
  • L98.499Non-pressure chronic ulcer of skin of other sites with unspecified severity
  • L89.150Pressure ulcer of sacral region, unstageable
  • L89.159Pressure ulcer of sacral region, unspecified stage
  • L89.893Pressure ulcer of other site, stage 3
  • L89.90Pressure ulcer of unspecified site, unspecified stage
  • L97.412Non-pressure chronic ulcer of right heel and midfoot with fat layer exposed
  • L97.509Non-pressure chronic ulcer of other part of unspecified foot with unspecified severity
  • L97.909Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity
  • L97.919Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
  • L97.929Non-pressure chronic ulcer of unspecified part of left lower leg with unspecified severity
  • L89.312Pressure ulcer of right buttock, stage 2
  • L89.313Pressure ulcer of right buttock, stage 3
  • L89.322Pressure ulcer of left buttock, stage 2

455 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.

The severity splits

Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 593.

592SKIN ULCERS WITH MCC1.9101+0.7526
593SKIN ULCERS WITH CC1.1575
594SKIN ULCERS WITHOUT CC/MCC0.7801-0.3774

All FY2027 MS-DRGs · MDC 09

MS-DRG (IPPS Table 5)FY2027