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What Is The ICD 10 Code For Hypersomnia?

by Eric Martin
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In medicine, there is a system that categorises various diagnoses of disease, procedures, medical services etc., under one ambit, which we call medical coding. The categorization involves the use of alphanumeric codes. It is used by the ‘Medical Coder’ correctly during medical billing. Besides, the many codes part of this organised system created to ensure documentation convenience is ‘ICD 10’. Thus, to help gain more information about this medical code, here is presenting to you this article that includes everything you need about icd 10 code for excessive daytime sleepiness or hypersomnia.

What is the ICD 10 Code?

According to the medical classification list called the International Statistical Classification of Disease and Health-Related Problems (ICD) of the World Health Organization (WHO), ICD 10 code represents the 10th revision. Also, it comprises details of abnormal results, signs and symptoms, and social circumstances of the patient suffering from a particular disease. It was in 1990 that the ICD 10 code received its official endorsement. Besides, the ICD 10 code for excessive daytime sleepiness includes nine chapters, including several sleeping disorders.

Types of Sleeping Disorders in ICD 10 Code:

A sleeping disorder occurs when individual struggles to stay awake in the morning or asleep at night. However, you must understand that it is only if your sleep disturbance happens that it becomes a serious medical condition.

Therefore, some of the sleep disorders included in the ICD code are:

  1. Insomnia: A sleep condition, as per the American Psychiatric Association (APA), which is most common. Also, as per the APA, you cannot fall or stay asleep when you have insomnia.
  2. Hypersomnia is a sleeping condition in which an individual cannot stay awake during the day. It means that the person suffering from it can fall asleep anytime. Hence, the excessive daytime sleepiness icd 10 code of Hypersomnia is G47.1.

Circadian rhythm disorders: The natural sleep-wake rhythm is disrupted in this sleeping medical condition.

It thereby results in the triggering of symptoms such as excessive daytime sleepiness and even depression.

  1. So, excessive daytime sleepiness icd 10 code of Circadian rhythm disordersis G47.2.
  2. Sleep apnea is a severe sleeping disorder in which an individual’s breathing pattern is repeatedly affected while asleep.
  3. Narcolepsy: A ‘Narcoleptic’ individual typically suffers from sudden sleep attacks and extreme drowsiness. The drowsiness icd 10 and daytime somnolence icd 10 code of this condition is G47.41.
  4. Restless Leg Syndrome: This disorder affects staying or falling asleep with an individual suffering from an irresistible urge to move legs.

What are the ICD 10 Codes for Hypersomnia and Other Sleep Disorders?

The daytime sleepiness icd 10 code for hypersomnia and other sleeping disorders are as follows:

G47.0- Insomnia:G47.00- Insomnia which is not specified

G47.01- Insomnia due to a medical disorder

G47.09- Insomnia, other

G47.1- Hypersomnia:

G47.10- Hypersomnia which is not specified

G47.11- Idiopathic hypersomnia with long sleep time

G47.12- Idiopathic hypersomnia without long sleep time

G47.13- Recurring hypersomnia

G47.14- Recurring hypersomnia because of medical condition

G47.14- Hypersomnia, other

G47.2- Circadian Rhythm Sleep Disorders:

G47.20- Not specified Circadian Rhythm Sleep Disorder

G47.21- Circadian Rhythm Sleep Disorder delayed phase

G47.22- Circadian Rhythm Sleep Disorder sleep phase

G47.23- Circadian Rhythm Sleep Disorder infrequent sleep-wake phase

G47.24- Circadian Rhythm Sleep Disorder free running

G47.25- Circadian Rhythm Sleep Disorder due to travel

G47.26- Circadian Rhythm Sleep Disorder graveyard shift

G47.27- Circadian Rhythm Sleep Disorder as per classification of condition everywhere

G47.29- Circadian Rhythm Sleep Disorder other

G47.3- Sleep Apnea:

G47.31- Not specified

G47.32- Primary central sleep apnea

G47.33- High altitude periodic breathing

G47.34-Obstructive sleep apnea

G47.35-Idiopathic sleep-related non-obstructive alveolar hypoventilation

G47.36-Congenital central alveolar hypoventilation syndrome

G47.37- Sleep-associated hypoventilation

G47.39- Other sleep apnea


G47.411- Cataplexy with Narcolepsy

G47.419-Cataplexy without Narcolepsy

G47.42-Narcolepsy in the classification of condition elsewhere:

G47.421- Narcolepsy in sort elsewhere with cataplexy

G47.429- Narcolepsy in kind elsewhere without cataplexy

G25.81- Restless Leg Syndrome:

Therefore, the use of excessive daytime sleepiness icd 10 of a medical coding system enables healthcare providers such as a physician to report and document common disorders appropriately and helps them make an accurate insurance claim submission for smooth reimbursement.

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