MS-DRG 313Medical
Chest Pain
Major Diagnostic Category 05·Grouped by diagnosis·FY 2027
MS-DRG 313 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 05 (MDC 05). It maps to 4 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.7114 with a geometric mean length of stay of 1.7 days and an arithmetic mean of 2.1 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:
- 0.7114 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 1.7 days (used for transfer payments)
- Average stay:
- 2.1 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Diagnosis codes (4)
As the principal diagnosis, these ICD-10-CM codes can group to DRG 313. 100% of the codes listed are billable.