HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code K76.6: Portal hypertension

K76.6 is a billable ICD-10 diagnosis code used to classify Portal hypertension 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 portal hypertension 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
currentK76

Official coding notes

Applicable to
  • code for any associated complications, such as:
  • portal hypertensive gastropathy (K31.89)
Use additional code
  • code for any associated complications, such as:
  • portal hypertensive gastropathy (K31.89)

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 PhysicianCardiologist

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 93975high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93976high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; LIMITED STUDY
Source: CMS coverage guidance
CPT 93978high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93979high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 43235high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; DIAGNOSTIC, INCLUDING COLLECTION OF SPECIMEN(S) BY BRUSHING OR WASHING, WHEN PERFORMED (SEPARATE PROCEDURE)
Source: CMS coverage guidance
CPT 43270high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH ABLATION OF TUMOR(S), POLYP(S), OR OTHER LESION(S) (INCLUDES PRE- AND POST-DILATION AND GUIDE WIRE PASSAGE, WHEN PERFORMED)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
K76.6

Common synonyms

Portal hypertension

Frequently asked questions

Code details

CodeK76.6
SystemICD10
Display namePortal hypertension
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
Banti's disease or syndrome(with cirrhosis) (with portal hypertension)Fibrosis, fibroticFibrosis, fibroticHypertension, hypertensive(accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)Increase, increased

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 K76.6 for Portal hypertension | HealthAssure