ICD-9-CM diagnosis code (retired)
307.40 — Nonorganic sleep disorder, 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 307.40
307.40 is an ICD-9-CM diagnosis code for nonorganic sleep disorder, 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, F51.9 (Sleep disorder not due to a substance or known physiological condition, unspecified). The match is exact.
ICD-10-CM equivalents
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecifiedexact match
Common questions about 307.40
What is the ICD-10 code for ICD-9 307.40?
- The GEMs map 307.40 to ICD-10-CM F51.9.
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.