I81 Portal vein thrombosis
Instructional Notes:
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I81
Description: Portal vein thrombosis
Exclude2:
- hepatic vein thrombosis (I82.0)
- phlebitis of portal vein (K75.1)
Inclusion Term:
- Portal (vein) obstruction
↓
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I80-I89
Description: Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
↓
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I00-I99
Description: Diseases of the circulatory system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)