F51.11✓ Billable

Primary hypersomnia

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to F51.11 in the official ICD-10-CM Alphabetic Index.

Hypersomnia (organic), nonorganic originHypersomnia (organic), not due to a substance or known physiological conditionHypersomnia (organic), primarySomnolence, nonorganic origin

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
└F51.11Primary hypersomnia

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