F51.1 Hypersomnia not due to a substance or known physiological condition

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Tyoe 2 Excludes

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)
hypersomnia NOS (G47.10)
hypersomnia due to known physiological condition (G47.10)
idiopathic hypersomnia (G47.11, G47.12)
narcolepsy (G47.4-)

Child Codes


Sibling Codes


Parent Sibling Codes


View in Tabular

Code Title
F01-F99 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
F51 Sleep disorders not due to a substance or known physiological condition
F51.1 Hypersomnia not due to a substance or known physiological condition
Type 2 Excludes
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)
hypersomnia NOS (G47.10)
hypersomnia due to known physiological condition (G47.10)
idiopathic hypersomnia (G47.11, G47.12)
narcolepsy (G47.4-)

F51.11 Primary hypersomnia
F51.12 Insufficient sleep syndrome
F51.13 Hypersomnia due to other mental disorder
F51.19 Other hypersomnia not due to a substance or known physiological condition