G47.11

Applicable To

• Idiopathic hypersomnia NOS

Approximate Synonyms

• Hypersomnia, idiopathic

• Idiopathic hypersomnia

• Idiopathic hypersomnia associated with long sleep time

• Idiopathic hypersomnia, w long sleep time

Clinical Information

• A rare sleep disorder characterized by prolonged sleep at night and extreme sleepiness during the day. There are no apparent causes. This disorder affects the ability to function.

• A sleep disorder of central nervous system origin characterized by prolonged nocturnal sleep and periods of daytime drowsiness. Affected individuals experience difficulty with awakening in the morning and may have associated sleep drunkenness, automatic behaviors, and memory disturbances. This condition differs from narcolepsy in that daytime sleep periods are longer, there is no association with cataplexy, and the multiple sleep latency onset test does not record sleep-onset rapid eye movement sleep. from chokroverty, sleep disorders medicine, 1994, pp319-20; psychiatry clin neurosci 1998 apr:52 2):125-129)

Details

• G47.11 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G47.11 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G47.11 – other international versions of ICD-10 G47.11 may differ.