2026 ICD-10-CM Diagnosis Code K76.5Hepatic veno-occlusive disease

ICD-10-CM Codes›K00–K95›K70-K77›K76

ICD-10-CM K76.5
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K76.5 is a billable ICD-10-CM diagnosis code for hepatic veno-occlusive disease. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 441 through 443. Coders also document this condition as hepatic veno-occlusive disease with immunodeficiency syndrome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified liver disease.

Code Identity

ICD-10-CM Code
K76.5
Billable Status
Yes — Valid for Submission
Code Describes
Hepatic veno-occlusive disease
Short Description
Hepatic veno-occlusive disease
Same as the full description in the CMS dataset.
Parent Code
K76
Other diseases of liver

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK70-K77Diseases of liver
CategoryK76Other diseases of liver
This CodeK76.5Hepatic veno-occlusive disease

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Hepatic veno-occlusive disease with immunodeficiency syndrome
  • Obstruction of visceral vein
  • Severe combined immunodeficiency with low T- and B-cell numbers
  • Veno-occlusive disease of the liver

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • Budd-Chiari syndrome I82.0

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disease, diseased
      • liver (chronic) (organic)
        • veno-occlusive

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DIG019
Other specified and unspecified liver disease
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Liver Diseases

Your liver is the largest organ inside your body. It helps your body digest food, store energy, and remove poisons.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert K76.5 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
573.8 Liver disorders NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K76.5Overview

Is K76.5 (Other diseases of liver) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report hepatic veno-occlusive disease on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does K76.5 group to?

When hepatic veno-occlusive disease is the principal diagnosis on an inpatient stay, it groups to MS-DRG 441, 442, 443, with relative weights from 0.6997 to 1.7947 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of K76.5?

Under the General Equivalence Mappings, hepatic veno-occlusive disease converts to ICD-9-CM 573.8 (liver disorders NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.