F51.05 Insomnia due to other mental disorder
Get what a quick lookup can't: the AI assistant for official-guideline questions, HCC risk-adjustment mappings (CMS-HCC V24/V28, RxHCC), FDA drug indications, and AHA Coding Clinic references for F51.05.
The ICD-10-CM code for Insomnia due to other mental disorder is F51.05 (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 F51.05:
- Insomnia (organic) › related to psychopathology
- Insomnia (organic) › psychiatric
- Insomnia (organic) › due to › depression
- Insomnia (organic) › due to › mental disorder NEC
- Insomnia (organic) › due to › anxiety disorder
U.S. Hospital Utilization
- An estimated 17,880 U.S. inpatient stays in 2023 included F51.05 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
References
Cite This Page
Reference F51.05 with the canonical source and edition:
F51.05 — Insomnia due to other mental disorder. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/F51.05
Canonical URL: https://icd10codingpro.com/codes/F51.05