MS-DRG 040Surgical

Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC

Major Diagnostic Category 01·Grouped by procedure·FY 2027

MS-DRG 040 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 01 (MDC 01) with a Major Complication or Comorbidity (MCC). For FY 2027 it carries a relative weight of 3.7174 with a geometric mean length of stay of 6.9 days and an arithmetic mean of 9.7 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:
3.7174 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
6.9 days (used for transfer payments)
Average stay:
9.7 days (arithmetic mean)
Post-acute transfer policy:
Yes (early transfers can be paid less)

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
040Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC (this page)3.71746.9 days
041Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator2.17963.7 days
042Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC1.67642.3 days

Procedure codes (5,080)

ICD-10-PCS procedures that can group a stay to DRG 040.

Showing the first 1,000 of 5,080 codes. Use search to find a specific code.