ICD-9-CM diagnosis code (retired)
300.10 — Hysteria, unspecified
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 300.10
300.10 is an ICD-9-CM diagnosis code for Hysteria, unspecified. 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, F44.9 (Dissociative and conversion disorder, unspecified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- F44.9Dissociative and conversion disorder, unspecifiedapproximate
Common questions about 300.10
What is the ICD-10 code for ICD-9 300.10?
- The GEMs map 300.10 to ICD-10-CM F44.9.
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.