MS-DRG 791Medical

Prematurity with Major Problems

Major Diagnostic Category 15·Grouped by diagnosis·FY 2027

MS-DRG 791 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 15 (MDC 15). It maps to 2,234 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 4.1075 with a geometric mean length of stay of 13.3 days and an arithmetic mean of 13.3 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:
4.1075 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
13.3 days (used for transfer payments)
Average stay:
13.3 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

Diagnosis codes (2,234)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 791. 100% of the codes listed are billable.

Showing the first 1,000 of 2,234 codes. Use search to find a specific code.