328 MS-DRG: STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITHOUT CC/MCC
MS-DRG 328 groups Medicare inpatient hospital stays for: STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITHOUT CC/MCC. This is a surgical 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 | Surgical |
| Severity Level | None |
| Relative Weight | 1.6472 |
| Relative Weight (10% Cap Applied) | 1.6472 |
| Geometric Mean Length of Stay | 1.9 days |
| Arithmetic Mean Length of Stay | 2.5 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
1,165 procedure codes appear in its surgical logic (Stomach, Esophageal and Duodenal Procedures: 1,165): 008Q0ZZ, 008Q3ZZ, 008Q4ZZ, 02BP3ZZ, 02BQ3ZZ, 02BR3ZZ, 02BS3ZZ, 02BT3ZZ, 02BV3ZZ, 02BW3ZZ, 02BX3ZZ, 03B03ZZ and 1,153 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 06, this DRG ranks 1 of 9 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. Stomach, Esophageal and Duodenal Procedures (DRGs 326-328) — this DRG
- 2. Major Small and Large Bowel Procedures (DRGs 329-331)
- 3. Rectal Resection (DRGs 332-334)
- 4. Peritoneal Adhesiolysis (DRGs 335-337)
- 5. Appendix Procedures (DRGs 397-399)
- 6. Minor Small and Large Bowel Procedures (DRGs 344-346)
- 7. Anal and Stomal Procedures (DRGs 347-349)
- 8. Hernia Procedures (DRGs 350-355)
- 9. Other Digestive System O.R. Procedures (DRGs 356-358)
From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 328 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 procedures (1165)
- 008Q0ZZ — Division of Vagus Nerve, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 008Q3ZZ — Division of Vagus Nerve, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 008Q4ZZ — Division of Vagus Nerve, Percutaneous Endoscopic Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 02BP3ZZ — Excision of Pulmonary Trunk, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 02BQ3ZZ — Excision of Right Pulmonary Artery, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 02BR3ZZ — Excision of Left Pulmonary Artery, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 02BS3ZZ — Excision of Right Pulmonary Vein, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 02BT3ZZ — Excision of Left Pulmonary Vein, Percutaneous Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- and 1157 more
DRG family
- DRG 326 — STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH MCC[DRG family]: “STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH MCC — same CMS DRG family (326-328), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 326-328) · FY2027
- DRG 327 — STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH CC[DRG family]: “STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH CC — same CMS DRG family (326-328), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 326-328) · 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