313 MS-DRG: CHEST PAIN
MS-DRG 313 groups Medicare inpatient hospital stays for: CHEST PAIN. This is a medical MS-DRG. It falls under MDC 05 (Diseases and Disorders of the Circulatory System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 05 — Diseases and Disorders of the Circulatory System |
| DRG Type | Medical |
| Severity Level | N/A |
| Relative Weight | 0.7114 |
| Relative Weight (10% Cap Applied) | 0.7114 |
| Geometric Mean Length of Stay | 1.7 days |
| Arithmetic Mean Length of Stay | 2.1 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
4 diagnosis codes can drive assignment here: R07.2, R07.82, R07.89, R07.9.
From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.
Contextual Map
Every relationship of 313 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 05 — Diseases and Disorders of the Circulatory System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses
- R07.2 — Precordial pain[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- R07.82 — Intercostal pain[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- R07.89 — Other chest pain[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- R07.9 — Chest pain, unspecified[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels