MS-DRG 024Surgical

Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC

Major Diagnostic Category 01·Grouped by procedure·FY 2027

MS-DRG 024 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 01 (MDC 01) without a significant Complication or Comorbidity. It maps to 311 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 3.9708 with a geometric mean length of stay of 3.6 days and an arithmetic mean of 4.7 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:
3.9708 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.6 days (used for transfer payments)
Average stay:
4.7 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
023Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator5.74447.2 days
024Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC (this page)3.97083.6 days

Procedure codes (1,454)

ICD-10-PCS procedures that can group a stay to DRG 024.

Showing the first 1,000 of 1,454 codes. Use search to find a specific code.

Diagnosis codes (311)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 024. 100% of the codes listed are billable.