K76.6 Portal hypertension

The ICD-10-CM code for Portal hypertension is K76.6 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K70-K77: Diseases of liver (K70-K77)

Category K76

14 codes (12 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K76.6:

• Banti's disease or syndrome (with cirrhosis) (with portal hypertension)
• Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) › portal (due to chronic liver disease) (idiopathic)
• Fibrosis, fibrotic › hepatolienal (portal hypertension)
• Fibrosis, fibrotic › hepatosplenic (portal hypertension)
• Increase, increased › venous pressure › portal

U.S. Hospital Utilization

• An estimated 351,525 U.S. inpatient stays in 2023 included K76.6 among the documented diagnoses.
• 8,340 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)