ICD-9-CM diagnosis code (retired)
318.2 — Profound intellectual disabilities
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 318.2
318.2 is an ICD-9-CM diagnosis code for profound intellectual disabilities. 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, F73 (Profound intellectual disabilities). The match is exact.
ICD-10-CM equivalents
- F73Profound intellectual disabilitiesexact match
Common questions about 318.2
What is the ICD-10 code for ICD-9 318.2?
- The GEMs map 318.2 to ICD-10-CM F73.
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.