ICD-9-CM diagnosis code (retired)
520.2 — Abnormalities of size and form of teeth
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 520.2
520.2 is an ICD-9-CM diagnosis code for abnormalities of size and form of teeth. 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, K00.2 (Abnormalities of size and form of teeth). The match is exact.
ICD-10-CM equivalents
- K00.2Abnormalities of size and form of teethexact match
Common questions about 520.2
What is the ICD-10 code for ICD-9 520.2?
- The GEMs map 520.2 to ICD-10-CM K00.2.
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.