388 MS-DRG: GASTROINTESTINAL OBSTRUCTION WITH MCC
MS-DRG 388 groups Medicare inpatient hospital stays for: GASTROINTESTINAL OBSTRUCTION WITH 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 | MCC |
| Relative Weight | 1.4709 |
| Relative Weight (10% Cap Applied) | 1.4709 |
| Geometric Mean Length of Stay | 4.5 days |
| Arithmetic Mean Length of Stay | 5.9 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
19 diagnosis codes can drive assignment here: K56.0, K56.1, K56.2, K56.3, K56.41, K56.49, K56.50, K56.51, K56.52, K56.600, K56.601, K56.609 and 7 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.
Contextual Map
Every relationship of 388 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 (19)
- K56.0 — Paralytic ileus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.1 — Intussusception[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.2 — Volvulus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.3 — Gallstone ileus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.41 — Fecal impaction[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.49 — Other impaction of intestine[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.50 — Intestinal adhesions [bands], unspecified as to partial versus complete obstruction[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- K56.51 — Intestinal adhesions [bands], with partial obstruction[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 11 more
DRG family
- DRG 389 — GASTROINTESTINAL OBSTRUCTION WITH CC[DRG family]: “GASTROINTESTINAL OBSTRUCTION WITH CC — same CMS DRG family (388-390), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 388-390) · FY2027
- DRG 390 — GASTROINTESTINAL OBSTRUCTION WITHOUT CC/MCC[DRG family]: “GASTROINTESTINAL OBSTRUCTION WITHOUT CC/MCC — same CMS DRG family (388-390), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 388-390) · 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