ICD-10 Code: I81 – Portal vein thrombosis
ICD-10 code I81 corresponds to Portal vein thrombosis. This code is classified under the chapter I80-I89: Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified, which is part of the I80-I89: Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified category.
The parent chapter is Diseases of the circulatory system.