ICD-9-CM diagnosis code (retired)
745.12 — Corrected transposition of great vessels
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 745.12
745.12 is an ICD-9-CM diagnosis code for corrected transposition of great vessels. 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, Q20.5 (Discordant atrioventricular connection). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- Q20.5Discordant atrioventricular connectionapproximate
Common questions about 745.12
What is the ICD-10 code for ICD-9 745.12?
- The GEMs map 745.12 to ICD-10-CM Q20.5.
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.