ICD-9-CM diagnosis code (retired)
093.21 — Syphilitic endocarditis of mitral valve
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 093.21
093.21 is an ICD-9-CM diagnosis code for syphilitic endocarditis of mitral valve. 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, A52.03 (Syphilitic endocarditis). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- A52.03Syphilitic endocarditisapproximate
Common questions about 093.21
What is the ICD-10 code for ICD-9 093.21?
- The GEMs map 093.21 to ICD-10-CM A52.03.
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.