F51.1
Hypersomnia not due to a substance or known physiological condition
Non-billableCategory
Code Hierarchy
F51F51.1
Coding Guidelines
Excludes2 (Not Included Here)
These conditions are not part of this code but may be reported additionally if documented
- alcohol related hypersomnia (F10.182, F10.282, F10.982)
- drug-related hypersomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
- G47.10 - hypersomnia NOS (G47.10)
- G47.10 - hypersomnia due to known physiological condition (G47.10)
- idiopathic hypersomnia (G47.11, G47.12)
- narcolepsy (G47.4-)
Specific Codes (4)
Related Codes
F51.0Category
Insomnia not due to a substance or known physiological condition
F51.3Billable
Sleepwalking [somnambulism]
F51.4Billable
Sleep terrors [night terrors]
F51.5Billable
Nightmare disorder
F51.8Billable
Other sleep disorders not due to a substance or known physiological condition
F51.9Billable
Sleep disorder not due to a substance or known physiological condition, unspecified
