All ICD10 Codes
MS-DRG 920Medical

Complications of Treatment with CC

Major Diagnostic Category 21·Grouped by diagnosis·FY 2027

MS-DRG 920 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 21 (MDC 21) with a Complication or Comorbidity (CC). It maps to 338 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.9975 with a geometric mean length of stay of 2.8 days and an arithmetic mean of 3.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

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FY 2027 payment data

From Table 5 of the FY 2027 IPPS Final Rule (CMS).

Relative weight:
0.9975 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
2.8 days (used for transfer payments)
Average stay:
3.6 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

Same condition, other severity levels

CMS splits one condition into separate DRGs by how sick the patient is. With MCC pays more than with CC, which pays more than without CC/MCC.

DRGTitleRelative weightMean stay
919Complications of Treatment with MCC1.76304.1 days
920Complications of Treatment with CC (this page)0.99752.8 days
921Complications of Treatment without CC/MCC0.67222 days

Diagnosis codes (338)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 920. 100% of the codes listed are billable.