ICD-9-CM diagnosis code (retired)
300.89 — Other somatoform disorders
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 300.89
300.89 is an ICD-9-CM diagnosis code for other somatoform disorders. 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 2 ICD-10-CM codes, such as F45.8 (Other somatoform disorders) and F48.8 (Other specified nonpsychotic mental disorders). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 300.89
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.