ICD-9-CM diagnosis code (retired)
453.40 — Acute venous embolism and thrombosis of unspecified deep vessels of lower extremity
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 453.40
453.40 is an ICD-9-CM diagnosis code for acute venous embolism and thrombosis of unspecified deep vessels of lower extremity. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, I82.409 (Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- I82.409Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremityapproximate
Common questions about 453.40
What is the ICD-10 code for ICD-9 453.40?
- The GEMs map 453.40 to ICD-10-CM I82.409.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.