F51.1Non-billable (header)
Hypersomnia not due to a substance or known physiological condition
Hypersomnia not due to a substance or known physiological co…
Sub-codes of F51.1(4)
F51.1 is a non-billable header. Select a sub-code to bill.
⚠ Excludes 2(Not included here)
- •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-)
Code Hierarchy
┌5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)├F50-F59Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)├F51Sleep disorders not due to a substance or known physiological condition
└F51.1Hypersomnia not due to a substance or known physiological co…
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