ICD-9-CM diagnosis code (retired)
079.51 — Human T-cell lymphotrophic virus, type I [HTLV-I]
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 079.51
079.51 is an ICD-9-CM diagnosis code for human T-cell lymphotrophic virus, type I [HTLV-I]. 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, B97.33 (Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere). The match is exact.
ICD-10-CM equivalents
- B97.33Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhereexact match
Common questions about 079.51
What is the ICD-10 code for ICD-9 079.51?
- The GEMs map 079.51 to ICD-10-CM B97.33.
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.