442 MS-DRG: DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITH CC
MS-DRG 442 groups Medicare inpatient hospital stays for: DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITH CC. This is a medical 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 | Medical |
| Severity Level | CC |
| Relative Weight | 0.9602 |
| Relative Weight (10% Cap Applied) | 0.9602 |
| Geometric Mean Length of Stay | 3.1 days |
| Arithmetic Mean Length of Stay | 4 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
120 diagnosis codes can drive assignment here: A06.4, A51.45, A52.74, B15.0, B15.9, B16.0, B16.1, B16.2, B16.9, B17.0, B17.10, B17.11 and 108 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 442 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 diagnoses (120)
- A06.4 — Amebic liver abscess[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A51.45 — Secondary syphilitic hepatitis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A52.74 — Syphilis of liver and other viscera[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B15.0 — Hepatitis A with hepatic coma[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B15.9 — Hepatitis A without hepatic coma[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B16.0 — Acute hepatitis B with delta-agent with hepatic coma[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B16.1 — Acute hepatitis B with delta-agent without hepatic coma[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B16.2 — Acute hepatitis B without delta-agent with hepatic coma[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 112 more
DRG family
- DRG 441 — DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITH MCC[DRG family]: “DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITH MCC — same CMS DRG family (441-443), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 441-443) · FY2027
- DRG 443 — DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITHOUT CC/MCC[DRG family]: “DISORDERS OF LIVER EXCEPT MALIGNANCY, CIRRHOSIS OR ALCOHOLIC HEPATITIS WITHOUT CC/MCC — same CMS DRG family (441-443), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 441-443) · 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