384 MS-DRG: UNCOMPLICATED PEPTIC ULCER WITHOUT MCC
MS-DRG 384 groups Medicare inpatient hospital stays for: UNCOMPLICATED PEPTIC ULCER WITHOUT MCC. This is a medical MS-DRG. It falls under MDC 06 (Diseases and Disorders of the Digestive System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 06 — Diseases and Disorders of the Digestive System |
| DRG Type | Medical |
| Severity Level | None |
| Relative Weight | 0.8469 |
| Relative Weight (10% Cap Applied) | 0.8469 |
| Geometric Mean Length of Stay | 2.4 days |
| Arithmetic Mean Length of Stay | 3 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
9 diagnosis codes can drive assignment here: K25.3, K25.7, K25.9, K26.3, K26.7, K26.9, K27.3, K27.7, K27.9.
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 384 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 06 — Diseases and Disorders of the Digestive System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (9)
- K25.3 — Acute gastric ulcer without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K25.7 — Chronic gastric ulcer without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K25.9 — Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K26.3 — Acute duodenal ulcer without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K26.7 — Chronic duodenal ulcer without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K26.9 — Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K27.3 — Acute peptic ulcer, site unspecified, without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K27.7 — Chronic peptic ulcer, site unspecified, without hemorrhage or perforation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 1 more
DRG family
- DRG 380 — COMPLICATED PEPTIC ULCER WITH MCC[DRG family]: “COMPLICATED PEPTIC ULCER WITH MCC — same CMS DRG family (380-384), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 380-384) · FY2027
- DRG 381 — COMPLICATED PEPTIC ULCER WITH CC[DRG family]: “COMPLICATED PEPTIC ULCER WITH CC — same CMS DRG family (380-384), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 380-384) · FY2027
- DRG 382 — COMPLICATED PEPTIC ULCER WITHOUT CC/MCC[DRG family]: “COMPLICATED PEPTIC ULCER WITHOUT CC/MCC — same CMS DRG family (380-384), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 380-384) · FY2027
- DRG 383 — UNCOMPLICATED PEPTIC ULCER WITH MCC[DRG family]: “UNCOMPLICATED PEPTIC ULCER WITH MCC — same CMS DRG family (380-384), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 380-384) · 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