All ICD10 Codes
MS-DRG 657Surgical

Kidney and Ureter Procedures for Neoplasm with CC

Major Diagnostic Category 11·Grouped by procedure·FY 2027

MS-DRG 657 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 11 (MDC 11) with a Complication or Comorbidity (CC). It maps to 67 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.8365 with a geometric mean length of stay of 2.4 days and an arithmetic mean of 3.1 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:
1.8365 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
2.4 days (used for transfer payments)
Average stay:
3.1 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
656Kidney and Ureter Procedures for Neoplasm with MCC3.27864.9 days
657Kidney and Ureter Procedures for Neoplasm with CC (this page)1.83652.4 days
658Kidney and Ureter Procedures for Neoplasm without CC/MCC1.53801.5 days

Diagnosis codes (67)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 657. 100% of the codes listed are billable.