799 MS-DRG: SPLENIC PROCEDURES WITH MCC
MS-DRG 799 groups Medicare inpatient hospital stays for: SPLENIC PROCEDURES WITH MCC. This is a surgical MS-DRG. It falls under MDC 16 (Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 16 — Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders |
| DRG Type | Surgical |
| Severity Level | MCC |
| Relative Weight | 4.8407 |
| Relative Weight (10% Cap Applied) | 4.8407 |
| Geometric Mean Length of Stay | 6.9 days |
| Arithmetic Mean Length of Stay | 9.4 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
50 procedure codes appear in its surgical logic (Splenic Procedures: 50): 04L40CZ, 04L40DZ, 04L40ZZ, 04L43CZ, 04L43DZ, 04L43ZZ, 04L44CZ, 04L44DZ, 04L44ZZ, 075P0ZZ, 075P3ZZ, 075P4ZZ and 38 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 16, this DRG ranks 1 of 2 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. Splenic Procedures (DRGs 799-801) — this DRG
- 2. Other O.R. Procedures of the Blood and Blood Forming Organs (DRGs 802-804)
From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 799 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 16 — Diseases and Disorders of Blood, Blood Forming Organs and Immunologic Disorders[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining procedures (50)
- 04L40CZ — Occlusion of Splenic Artery with Extraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L40DZ — Occlusion of Splenic Artery with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L40ZZ — Occlusion of Splenic Artery, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L43CZ — Occlusion of Splenic Artery with Extraluminal Device, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L43DZ — Occlusion of Splenic Artery with Intraluminal Device, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L43ZZ — Occlusion of Splenic Artery, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L44CZ — Occlusion of Splenic Artery with Extraluminal Device, Percutaneous Endoscopic Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 04L44DZ — Occlusion of Splenic Artery with Intraluminal Device, Percutaneous Endoscopic Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- and 42 more
DRG family
- DRG 800 — SPLENIC PROCEDURES WITH CC[DRG family]: “SPLENIC PROCEDURES WITH CC — same CMS DRG family (799-801), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 799-801) · FY2027
- DRG 801 — SPLENIC PROCEDURES WITHOUT CC/MCC[DRG family]: “SPLENIC PROCEDURES WITHOUT CC/MCC — same CMS DRG family (799-801), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 799-801) · 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 20, 2026 · All releases and sources