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ICD-10-CM K70.41: Alcoholic hepatic failure with coma

K70.41 is the billable ICD-10-CM code for alcoholic hepatic failure with coma, in category K70 (Alcoholic liver disease) of the Diseases of liver section. As a principal diagnosis it groups to MS-DRG 432 Cirrhosis and Alcoholic Hepatitis with MCC, MS-DRG 433 Cirrhosis and Alcoholic Hepatitis with CC, MS-DRG 434 Cirrhosis and Alcoholic Hepatitis without CC/MCC (MDC 07 MDC 07: Diseases and Disorders of the Hepatobiliary System and Pancreas). It maps to HCC 63 (Chronic Liver Failure/End-Stage Liver Disorders) in CMS-HCC V28. As a secondary diagnosis it is an MCC, excluded with 6 principal diagnoses. 6 LCD billing and coding articles list it as covered.

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: ICD-10-CM code descriptions: FY2027 (effective October 1, 2026); IPPS Table 5 (MS-DRG weights): v44 FY2027 (final rule + CN3) (effective October 1, 2026); ICD-10-CM to HCC mapping: PY2027 initial ICD-10-CM mappings (dates of service 2026) (payment year 2027); Medicare Coverage Database billing and coding articles: MCD release October 8, 2026 (effective October 4, 2026). Next CMS release: FY2028 code files, effective October 1, 2027 for the ICD-10-CM code descriptions; FY2028 final rule (August 2027), effective October 1, 2027; an April 1 interim grouper update when CMS issues one for the IPPS Table 5 (MS-DRG weights); PY2028 advance notice (February 2027) and the PY2027 midyear final mapping (spring 2027) for the ICD-10-CM to HCC mapping; weekly, every Thursday for the Medicare Coverage Database billing and coding articles.

Code
K70.41
billable FY2027 ICD-10-CM code
Category
K70 Alcoholic liver disease
Chapter
11: Diseases of the digestive system (K00-K95)
CC/MCC (MS-DRG v44)
MCC
CMS-HCC V28
HCC 63
POA reporting
Required

Tabular list notes for K70.41

The tabular list has no notes on K70.41 itself; the notes below apply from its parent headings.

Inherited from K70 (Alcoholic liver disease)

Use additional code
  • code to identify:
  • alcohol abuse and dependence (F10.-)

Inherited from K70.4 (Alcoholic hepatic failure)

Inclusion terms
  • Acute alcoholic hepatic failure
  • Alcoholic hepatic failure NOS
  • Chronic alcoholic hepatic failure
  • Subacute alcoholic hepatic failure

MS-DRG grouping when K70.41 is the principal diagnosis

MS-DRG v44 groups for K70.41 as principal diagnosis
MDCMS-DRGs
07 MDC 07: Diseases and Disorders of the Hepatobiliary System and Pancreas432433434

The final group also depends on procedures, secondary diagnoses and discharge status; the MS-DRG lookup for K70.41 shows the full grouping logic.

CC/MCC status and inpatient edits

As a secondary diagnosis, K70.41 is an MCC under MS-DRG v44, unless the principal diagnosis is one of the 6 codes in its exclusion list. Check K70.41 against a principal diagnosis.

  • Present on admission: a POA indicator is required on inpatient claims.
  • Medicare Code Editor: age conflict: adult diagnosis (age 15 to 124).

CMS-HCC V28 risk adjustment

In the PY2027 mapping, K70.41 maps to HCC 63 (Chronic Liver Failure/End-Stage Liver Disorders). The HCC lookup shows the RAF weight and the hierarchy.

LCD billing and coding articles that list K70.41

6 current Medicare billing and coding articles list K70.41 among the diagnoses that support medical necessity for the services they cover.

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Frequently asked questions

What does ICD-10-CM K70.41 mean?

K70.41 means alcoholic hepatic failure with coma. It is one of 9 billable codes under K70, alcoholic liver disease.

Which MS-DRG does K70.41 group to?

As the principal diagnosis, K70.41 groups to MS-DRG 432 Cirrhosis and Alcoholic Hepatitis with MCC, MS-DRG 433 Cirrhosis and Alcoholic Hepatitis with CC, MS-DRG 434 Cirrhosis and Alcoholic Hepatitis without CC/MCC (MDC 07 MDC 07: Diseases and Disorders of the Hepatobiliary System and Pancreas) under MS-DRG v44, before procedures and secondary diagnoses are applied.

Does K70.41 map to an HCC?

Yes: HCC 63, Chronic Liver Failure/End-Stage Liver Disorders, in the PY2027 CMS-HCC V28 mapping.

Is K70.41 a CC or MCC?

K70.41 is an MCC under MS-DRG v44; 6 principal diagnoses exclude it.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

The descriptor and notes are reproduced from the FY2027 ICD-10-CM files; MS-DRG, CC/MCC and HCC facts come from the CMS FY2027 and PY2027 tables. Code from the medical record and the ICD-10-CM Official Guidelines. Not legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.