F51.1 Non-Billable Code

Hypersomnia not due to a substance or known physiological condition

Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)

This code is a child of F51.

As a non-billable code, it requires more specific digits to be used on a medical claim.

excludes2

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-)

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

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

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