F51.8
F51.8: Other sleep disorders not due to a substance or known physiological condition
Billable / specific codeICD-10-CM
F51.8 is a billable, specific ICD-10-CM code for other sleep disorders not due to a substance or known physiological condition. It is valid for submission on a claim.
Check F51.8 with the rest of the claim: free scrubberOther codes that can never be billed with F51.8
Their own Excludes1 notes name this code, so the conflict is not listed above.
- G47.5Parasomnia
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
F51.8 is named in 14 Medicare coverage policies: 13 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
- A56923Billing and Coding: Outpatient Sleep Studies
- A56937Billing and Coding: Psychiatry and Psychology Services
Alphabetic index entries that lead here
- Parasomnia›nonorganic origin
- Disorder›sleep›nonorganic›specified NEC
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under F51
- F51.0Insomnia not due to a substance or known physiological condition
- F51.1Hypersomnia not due to a substance or known physiological condition
- F51.3Sleepwalking [somnambulism]
- F51.4Sleep terrors [night terrors]
- F51.5Nightmare disorder
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecified