ICD-10-CM 2027
ICD-10 code for portal hypertension
From the official ICD-10-CM alphabetic index entry “Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) › portal (due to chronic liver disease) (idiopathic)”. Page updated September 29, 2026.
About coding portal hypertension
The ICD-10-CM code for portal hypertension is K76.6 (Portal hypertension). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on K76.6.
Within K76 (other diseases of liver), K76.6 is specifically for portal hypertension. Related codes cover fatty (change of) liver, not elsewhere classified (K76.0), chronic passive congestion of liver (K76.1), central hemorrhagic necrosis of liver (K76.2), infarction of liver (K76.3), Peliosis hepatis (K76.4), hepatic veno-occlusive disease (K76.5), hepatorenal syndrome (K76.7), other specified diseases of liver (K76.8) and 1 more.
Use an additional code for any associated complications, such as: portal hypertensive gastropathy (K31.89).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific portal hypertension codes (official index)
Common questions about portal hypertension ICD-10 codes
What is the ICD-10 code for portal hypertension?
- K76.6 — Portal hypertension. More specific codes apply when the documentation supports them: K31.89, B65.9.
What is the ICD-10 code for gastropathy portal hypertension?
- K31.89 — Other diseases of stomach and duodenum.
Is K76.6 billable?
- Yes. K76.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K76.6 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K76.6 as a principal diagnosis.
Is K76.6 a CC or MCC?
- K76.6 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.