ICD-9-CM diagnosis code (retired)
405.91 — Unspecified renovascular hypertension
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 405.91
405.91 is an ICD-9-CM diagnosis code for unspecified renovascular hypertension. 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, I15.0 (Renovascular hypertension). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- I15.0Renovascular hypertensionapproximate
Common questions about 405.91
What is the ICD-10 code for ICD-9 405.91?
- The GEMs map 405.91 to ICD-10-CM I15.0.
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.