F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified
The ICD-10-CM code for Sleep disorder not due to a substance or known physiological condition, unspecified is F51.9 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- F50-F59: Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
- Category F51
- 18 codes (15 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to F51.9:
- Sleep › drunkenness
- Drunkenness (without dependence) › sleep
- Problem (with) (related to) › sleep disorder, child
- Disorder (of) › psychogenic NOS › sleep
- Sleep › disorder or disturbance › child
- Disorder (of) › sleep › emotional
- Disturbance (s) › sleep › nonorganic origin
- Disorder (of) › sleep › nonorganic
Inclusion Terms
- Emotional sleep disorder NOS
U.S. Hospital Utilization
- An estimated 895 U.S. inpatient stays in 2023 included F51.9 among the documented diagnoses.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Pain disorders related to psychological factors (TOC entry)a. Pain disorders related to psychological factors ..................................................................... 43
Psychoactive substance use disorders (TOC entry)b. Mental and behavioral disorders due to psychoactive substance use ................................... 43
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026