MS-DRG v44.0 · MDC 05: Diseases and Disorders of the Circulatory System
313 — Chest Pain
Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
- Relative weight
- 0.7114
- Geometric mean LOS
- 1.7 days
- Arithmetic mean LOS
- 2.1 days
- Type
- Medical
About MS-DRG 313
MS-DRG 313, Chest Pain, is a medical DRG in MDC 05 (Diseases and Disorders of the Circulatory System) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 0.7114, so Medicare's base payment for this DRG is about 0.71 times the average inpatient case (below average), before hospital-specific adjustments. The geometric mean length of stay is 1.7 days and the arithmetic mean is 2.1 days.
4 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 313 (4)
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Common questions about DRG 313
What is the relative weight of DRG 313?
- 0.7114 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 313?
- The geometric mean length of stay is 1.7 days; the arithmetic mean is 2.1 days.
Is DRG 313 medical or surgical?
- DRG 313 is a medical DRG.