MCMedicalCodingSoftware
385

MS-DRG 385: INFLAMMATORY BOWEL DISEASE WITH MCC

DRGMedicalMDC 06

MS-DRG 385 is inflammatory bowel disease with mcc, in MDC 06 (a medical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 1.5543, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 4.80 days. 77 ICD-10-CM principal diagnoses group into MS-DRGs 385–387 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
1.5543
Geometric mean LOS
4.80
Arithmetic mean LOS
6.40
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 385–387

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 77 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 385–387 the case lands in. The 24 most-searched:

  • K51.90Ulcerative colitis, unspecified, without complications
  • K50.90Crohn's disease, unspecified, without complications
  • K50.00Crohn's disease of small intestine without complications
  • K51.00Ulcerative (chronic) pancolitis without complications
  • K50.10Crohn's disease of large intestine without complications
  • K50.80Crohn's disease of both small and large intestine without complications
  • K51.20Ulcerative (chronic) proctitis without complications
  • K50.919Crohn's disease, unspecified, with unspecified complications
  • K51.50Left sided colitis without complications
  • K51.80Other ulcerative colitis without complications
  • K51.919Ulcerative colitis, unspecified with unspecified complications
  • K51.30Ulcerative (chronic) rectosigmoiditis without complications
  • K51.40Inflammatory polyps of colon without complications
  • K50.011Crohn's disease of small intestine with rectal bleeding
  • K50.012Crohn's disease of small intestine with intestinal obstruction
  • K50.013Crohn's disease of small intestine with fistula
  • K50.014Crohn's disease of small intestine with abscess
  • K50.018Crohn's disease of small intestine with other complication
  • K50.019Crohn's disease of small intestine with unspecified complications
  • K50.111Crohn's disease of large intestine with rectal bleeding
  • K50.112Crohn's disease of large intestine with intestinal obstruction
  • K50.113Crohn's disease of large intestine with fistula
  • K50.114Crohn's disease of large intestine with abscess
  • K50.118Crohn's disease of large intestine with other complication

53 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 385.

385INFLAMMATORY BOWEL DISEASE WITH MCC1.5543
386INFLAMMATORY BOWEL DISEASE WITH CC0.9647-0.5896
387INFLAMMATORY BOWEL DISEASE WITHOUT CC/MCC0.6464-0.9079

All FY2027 MS-DRGs · MDC 06

MS-DRG (IPPS Table 5)FY2027