581 MS-DRG: OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC
MS-DRG 581 groups Medicare inpatient hospital stays for: OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC. This is a surgical MS-DRG. It falls under MDC 09 (Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 09 — Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast |
| DRG Type | Surgical |
| Severity Level | None |
| Relative Weight | 1.5357 |
| Relative Weight (10% Cap Applied) | 1.5357 |
| Geometric Mean Length of Stay | 2.1 days |
| Arithmetic Mean Length of Stay | 2.7 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
6,557 procedure codes appear in its surgical logic (Other Skin, Subcutaneous Tissue and Breast Procedures: 6,557): 0315090, 031509W, 03150A0, 03150AW, 03150J0, 03150JW, 03150K0, 03150KW, 03150Z0, 03150ZW, 0316091, 031609W and 6,545 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.
Surgical Precedence (FY2027)
Within MDC 09, this DRG ranks 3 of 5 in CMS's surgical-class precedence order. When a claim qualifies for more than one surgical DRG in this MDC, the highest-ranked class applies.
- 1. Skin Graft (DRGs 573-578)
- 2. Skin Debridement (DRGs 570-572)
- 3. Other Skin, Subcutaneous Tissue and Breast Procedures (DRGs 579-581) — this DRG
- 4. Mastectomy for Malignancy (DRGs 582-583)
- 5. Breast Biopsy, Local Excision and Other Breast Procedures (DRGs 584-585)
From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 581 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 09 — Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining procedures (6557)
- 0315090 — Bypass Right Axillary Artery to Right Upper Arm Artery with Autologous Venous Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031509W — Bypass Right Axillary Artery to Lower Extremity Vein with Autologous Venous Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150A0 — Bypass Right Axillary Artery to Right Upper Arm Artery with Autologous Arterial Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150AW — Bypass Right Axillary Artery to Lower Extremity Vein with Autologous Arterial Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150J0 — Bypass Right Axillary Artery to Right Upper Arm Artery with Synthetic Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150JW — Bypass Right Axillary Artery to Lower Extremity Vein with Synthetic Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150K0 — Bypass Right Axillary Artery to Right Upper Arm Artery with Nonautologous Tissue Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 03150KW — Bypass Right Axillary Artery to Lower Extremity Vein with Nonautologous Tissue Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- and 6549 more
DRG family
- DRG 579 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC[DRG family]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC — same CMS DRG family (579-581), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 579-581) · FY2027
- DRG 580 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC[DRG family]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC — same CMS DRG family (579-581), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 579-581) · 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 · How MedCoder verifies its implementation
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources