F51.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Hypersomnia not due to a substance or known physiol cond
The 2023 edition of ICD-10-CM F51.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of F51.1 – other international versions of ICD-10 F51.1 may differ.