F51

Sleep disorders not due to a substance or known physiological condition

Nonorganic sleep disorders involve disturbances in sleep patterns or quality unrelated to medical conditions or substances.

ICD code:

F51

Range:

F50-F59

Category:

Mental, Behavioral and Neurodevelopmental disorders

Subcategory:

Behavioral syndromes associated with physiological disturbances and physical factors

To what category of health conditions does the ICD code F51 Sleep disorders not due to a substance or known physiological condition apply?

Sleep disorders not due to a substance or known physiological condition.

What are the instruction guides for coding priority for ICD code F51?

Underlying physical condition, if applicable, such as medical condition contributing to the sleep disorder.

What disorders are encompassed within ICD code F51?

Insomnia disorder, hypersomnia disorder, narcolepsy, circadian rhythm sleep-wake disorders, parasomnias.

Clinical Information

Sleep disorders involve disturbances in the sleep-wake cycle that lead to significant distress or impairment in daily functioning. These disorders may include difficulty falling asleep or staying asleep, excessive daytime sleepiness, or abnormal behaviors or experiences during sleep.

Additional Codes may apply

F51.1: Hypersomnia disorder - Excessive sleepiness, prolonged sleep episodes, or difficulty awakening from sleep, causing significant distress or impairment in daily functioning.

F51.3: Circadian rhythm sleep-wake disorders - Disturbances in the sleep-wake cycle, such as delayed sleep phase disorder or shift work disorder, causing significant distress or impairment in daily functioning.

F51.5: Parasomnias - Abnormal behaviors or experiences during sleep, such as sleepwalking, sleep terrors, or nightmares.

F51.9: Sleep disorder, unspecified - Sleep disorder without further specification of subtype or features.