553 MS-DRG: BONE DISEASES AND ARTHROPATHIES WITH MCC
MS-DRG 553 groups Medicare inpatient hospital stays for: BONE DISEASES AND ARTHROPATHIES WITH MCC. This is a medical MS-DRG. It falls under MDC 08 (Diseases and Disorders of the Musculoskeletal System and Connective Tissue).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue |
| DRG Type | Medical |
| Severity Level | MCC |
| Relative Weight | 1.2494 |
| Relative Weight (10% Cap Applied) | 1.2494 |
| Geometric Mean Length of Stay | 3.9 days |
| Arithmetic Mean Length of Stay | 5.1 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
1,617 diagnosis codes can drive assignment here: B06.82, E55.0, E64.3, M02.00, M02.011, M02.012, M02.019, M02.021, M02.022, M02.029, M02.031, M02.032 and 1,605 more.
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 553 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 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (1617)
- B06.82 — Rubella arthritis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- E55.0 — Rickets, active[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- E64.3 — Sequelae of rickets[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- M02.00 — Arthropathy following intestinal bypass, unspecified site[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- M02.011 — Arthropathy following intestinal bypass, right shoulder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- M02.012 — Arthropathy following intestinal bypass, left shoulder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- M02.019 — Arthropathy following intestinal bypass, unspecified shoulder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- M02.021 — Arthropathy following intestinal bypass, right elbow[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 1609 more
DRG family
- DRG 554 — BONE DISEASES AND ARTHROPATHIES WITHOUT MCC[DRG family]: “BONE DISEASES AND ARTHROPATHIES WITHOUT MCC — same CMS DRG family (553-554), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 553-554) · 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