ICD-9-CM diagnosis code (retired)
727.1 — Bunion
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 727.1
727.1 is an ICD-9-CM diagnosis code for Bunion. 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 7 ICD-10-CM codes, such as M20.10 (Hallux valgus (acquired), unspecified foot), M21.611 (Bunion of right foot) and M21.612 (Bunion of left foot). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- M20.10Hallux valgus (acquired), unspecified footapproximate
- M21.611Bunion of right footapproximate
- M21.612Bunion of left footapproximate
- M21.619Bunion of unspecified footapproximate
- M21.621Bunionette of right footapproximate
- M21.622Bunionette of left footapproximate
- M21.629Bunionette of unspecified footapproximate
Common questions about 727.1
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.