ICD10BillableValid for clinical use

ICD-10 Code K76.81: Hepatopulmonary syndrome

K76.81 is a billable ICD-10 diagnosis code used to classify Hepatopulmonary syndrome in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

When is it used?

  • May be used when a clinician documents hepatopulmonary syndrome in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
11Diseases of the digestive system (K00-K95)
block
K70-K77Diseases of liver
category
K76Other diseases of liver
category
K76.8Other specified diseases of liver
currentK76.8

Official coding notes

Applicable to
  • underlying liver disease, such as:
  • alcoholic cirrhosis of liver (K70.3-)
  • cirrhosis of liver without mention of alcohol (K74.6-)
Code first
  • underlying liver disease, such as:
  • alcoholic cirrhosis of liver (K70.3-)
  • cirrhosis of liver without mention of alcohol (K74.6-)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

GastroenterologistGeneral Physician

Related tests

Liver function tests
Commonly reviewed when assessing liver-related conditions.
Alanine aminotransferase (ALT)
May help assess liver-cell injury in selected liver disorders.
Aspartate aminotransferase (AST)
May help assess liver-cell injury in selected liver disorders.

Coverage-related procedures and services

CPT 94642high
AEROSOL INHALATION OF PENTAMIDINE FOR PNEUMOCYSTIS CARINII PNEUMONIA TREATMENT OR PROPHYLAXIS
Source: CMS coverage guidance
CPT 94728high
AIRWAY RESISTANCE BY OSCILLOMETRY
Source: CMS coverage guidance
CPT 94450high
BREATHING RESPONSE TO HYPOXIA (HYPOXIA RESPONSE CURVE)
Source: CMS coverage guidance
CPT 94060high
BRONCHODILATION RESPONSIVENESS, SPIROMETRY AS IN 94010, PRE- AND POST-BRONCHODILATOR ADMINISTRATION
Source: CMS coverage guidance
CPT 94070high
BRONCHOSPASM PROVOCATION EVALUATION, MULTIPLE SPIROMETRIC DETERMINATIONS AS IN 94010, WITH ADMINISTERED AGENTS (EG, ANTIGEN[S], COLD AIR, METHACHOLINE)
Source: CMS coverage guidance
CPT 94621high
CARDIOPULMONARY EXERCISE TESTING, INCLUDING MEASUREMENTS OF MINUTE VENTILATION, CO2 PRODUCTION, O2 UPTAKE, AND ELECTROCARDIOGRAPHIC RECORDINGS
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Hepatopulmonary syndrome

Frequently asked questions

Code details

CodeK76.81
SystemICD10
Display nameHepatopulmonary syndrome
ChapterDiseases of the digestive system (K00-K95)
BlockDiseases of liver

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Syndrome

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code K76.81 for Hepatopulmonary syndrome | HealthAssure