Convert ICD-10 I81 to ICD-9

ICD-10 code I81, Portal vein thrombosis, crosswalked to ICD-9 with the official CMS General Equivalence Mappings. Convert another code below.

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Official CMS General Equivalence Mappings Final GEMs release (FY 2018) Maps in both directions

1 ICD-9 mapping for ICD-10 I81

From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code. Convert another code

ICD-10 code I81, "Portal vein thrombosis", maps to ICD-9 code 452, "Portal vein thrombosis". This mapping carries no qualifying flags, so it is considered an exact equivalent. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

I81

Portal vein thrombosis

ICD‑9 Code

452

Portal vein thrombosis

– This is a direct match with no additional mapping qualifiers.

See everything about the source code, including its category, synonyms, and history: open the I81 code page → Or run the reverse crosswalk: convert 452 back to ICD-10 →