ICD-9-CM diagnosis code (retired)
315.31 — Expressive language disorder
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 315.31
315.31 is an ICD-9-CM diagnosis code for Expressive language disorder. 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, F80.1 (Expressive language disorder). The match is exact.
ICD-10-CM equivalents
- F80.1Expressive language disorderexact match
Common questions about 315.31
What is the ICD-10 code for ICD-9 315.31?
- The GEMs map 315.31 to ICD-10-CM F80.1.
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.