ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 9 I00-I99 Diseases of the circulatory system /
I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified /
I81 Portal vein thrombosis

  Billable ICD-10-CM Code I81
I81
Portal vein thrombosis
Portal (vein) obstruction
excludes2
hepatic vein thrombosis (I82.0)
phlebitis of portal vein (K75.1)