ICD-9-CM diagnosis code (retired)
524.74 — Alveolar mandibular hypoplasia
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 524.74
524.74 is an ICD-9-CM diagnosis code for alveolar mandibular hypoplasia. 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, M26.74 (Alveolar mandibular hypoplasia). The match is exact.
ICD-10-CM equivalents
- M26.74Alveolar mandibular hypoplasiaexact match
Common questions about 524.74
What is the ICD-10 code for ICD-9 524.74?
- The GEMs map 524.74 to ICD-10-CM M26.74.
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.