ICD-9-CM diagnosis code (retired)
737.21 — Lordosis, postlaminectomy
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 737.21
737.21 is an ICD-9-CM diagnosis code for lordosis, postlaminectomy. 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, M96.4 (Postsurgical lordosis). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- M96.4Postsurgical lordosisapproximate
Common questions about 737.21
What is the ICD-10 code for ICD-9 737.21?
- The GEMs map 737.21 to ICD-10-CM M96.4.
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.