409 MS-DRG: BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITH CC
MS-DRG 409 groups Medicare inpatient hospital stays for: BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITH CC. This is a surgical MS-DRG. It falls under MDC 07 (Diseases and Disorders of the Hepatobiliary System and Pancreas).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 07 — Diseases and Disorders of the Hepatobiliary System and Pancreas |
| DRG Type | Surgical |
| Severity Level | CC |
| Relative Weight | 2.2334 |
| Relative Weight (10% Cap Applied) | 2.2334 |
| Geometric Mean Length of Stay | 4.4 days |
| Arithmetic Mean Length of Stay | 5.4 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
716 procedure codes appear in its surgical logic (Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E.: 716): 0F140D3, 0F140D4, 0F140D5, 0F140D6, 0F140D7, 0F140D8, 0F140D9, 0F140DB, 0F140Z3, 0F140Z4, 0F140Z5, 0F140Z6 and 704 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 07, this DRG ranks 2 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. Pancreas, Liver and Shunt Procedures (DRGs 405-407)
- 2. Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. (DRGs 408-410) — this DRG
- 3. Cholecystectomy (DRGs 411-419)
- 4. Hepatobiliary Diagnostic Procedures (DRGs 420-422)
- 5. Other Hepatobiliary or Pancreas O.R. Procedures (DRGs 423-425)
From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 409 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 07 — Diseases and Disorders of the Hepatobiliary System and Pancreas[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining procedures (716)
- 0F140D3 — Bypass Gallbladder to Duodenum with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D4 — Bypass Gallbladder to Stomach with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D5 — Bypass Gallbladder to Right Hepatic Duct with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D6 — Bypass Gallbladder to Left Hepatic Duct with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D7 — Bypass Gallbladder to Caudate Hepatic Duct with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D8 — Bypass Gallbladder to Cystic Duct with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140D9 — Bypass Gallbladder to Common Bile Duct with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 0F140DB — Bypass Gallbladder to Small Intestine with Intraluminal Device, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- and 708 more
DRG family
- DRG 408 — BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITH MCC[DRG family]: “BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITH MCC — same CMS DRG family (408-410), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 408-410) · FY2027
- DRG 410 — BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITHOUT CC/MCC[DRG family]: “BILIARY TRACT PROCEDURES EXCEPT ONLY CHOLECYSTECTOMY WITH OR WITHOUT C.D.E. WITHOUT CC/MCC — same CMS DRG family (408-410), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 408-410) · 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