MS-DRG 021Surgical

Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with CC

Major Diagnostic Category 01·Grouped by procedure·FY 2027

MS-DRG 021 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 01 (MDC 01) with a Complication or Comorbidity (CC). It maps to 99 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 5.4726 with a geometric mean length of stay of 4.8 days and an arithmetic mean of 7.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Advertisements

FY 2027 payment data

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

Relative weight:
5.4726 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
4.8 days (used for transfer payments)
Average stay:
7.6 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
020Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with MCC7.96298.4 days
021Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with CC (this page)5.47264.8 days
022Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage without CC/MCC3.35341.6 days

Procedure codes (292)

ICD-10-PCS procedures that can group a stay to DRG 021.

Diagnosis codes (99)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 021. 100% of the codes listed are billable.