MS-DRG 947Medical

Signs and Symptoms with MCC

Major Diagnostic Category 23·Grouped by diagnosis·FY 2027

MS-DRG 947 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 23 (MDC 23) with a Major Complication or Comorbidity (MCC). It maps to 131 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.2610 with a geometric mean length of stay of 3.6 days and an arithmetic mean of 5.1 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

FY 2027 payment data

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

Relative weight:: 1.2610 (payment multiplier vs. the average case (1.0))
Geometric mean stay:: 3.6 days (used for transfer payments)
Average stay:: 5.1 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.

DRG	Title	Relative weight	Mean stay
555	Signs and Symptoms of Musculoskeletal System and Connective Tissue with MCC	1.2913	3.7 days
556	Signs and Symptoms of Musculoskeletal System and Connective Tissue without MCC	0.8211	2.7 days
947	Signs and Symptoms with MCC (this page)	1.2610	3.6 days
948	Signs and Symptoms without MCC	0.7835	2.6 days

Diagnosis codes (131)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 947. 100% of the codes listed are billable.