F51
F51: Sleep disorders not due to a substance or known physiological condition
Non-billable headerICD-10-CM
F51 is a non-billable header ICD-10-CM code for sleep disorders not due to a substance or known physiological condition. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- organic sleep disorders (G47.-)
Other codes that can never be billed with F51
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead F51
7 child codes. Green means billable.
- 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
- F51.8Other sleep disorders not due to a substance or known physiological condition
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecified