Narcolepsy With Cataplexy: Understanding The ICD-10 Code And Diagnosis

What is Narcolepsy with Cataplexy ICD 10?

Narcolepsy with cataplexy is a neurological disorder that affects the brain’s ability to regulate sleep-wake cycles. It is characterized by excessive daytime sleepiness, sudden loss of muscle tone (cataplexy), hallucinations, and sleep paralysis. The ICD-10 code for narcolepsy with cataplexy is G47.411.

Code Information

Sleep Medicine Diagnosis Codes in ICD & ICD
Sleep Medicine Diagnosis Codes in ICD & ICD

The ICD-10 code G47.411 is used to classify narcolepsy with cataplexy in medical records and billing systems. It helps healthcare providers track and manage patients with this specific type of narcolepsy.

Diagnostic Related Groups (MS-DRG)

ICD--CM Diagnosis Code G
ICD–CM Diagnosis Code G

Narcolepsy with cataplexy falls under MS-DRG 885 – Psychoses. This DRG grouping is used for inpatient hospital stays and helps determine reimbursement rates for healthcare providers.

Convert to ICD-9 Code

If you need to convert the ICD-10 code G47.411 for narcolepsy with cataplexy to an ICD-9 code, it would be 347.01. This code is used for the same diagnosis in the older coding system.

Code History

The ICD-10 code for narcolepsy with cataplexy was introduced in 2016 as part of the updated coding system. It replaced the previous ICD-9 code 347.01 for the same condition.

Approximate Synonyms

Other terms that may be used interchangeably with narcolepsy with cataplexy include narcolepsy type 1, hypocretin deficiency, and REM sleep disorder.

Clinical Information

Narcolepsy with cataplexy is caused by a lack of hypocretin, a neurotransmitter that helps regulate wakefulness and REM sleep. Symptoms typically appear in adolescence or young adulthood and can significantly impact daily functioning.


The exact cause of narcolepsy with cataplexy is not fully understood, but it is thought to involve a combination of genetic, environmental, and autoimmune factors. Some cases may be triggered by a viral infection or traumatic brain injury.


Common symptoms of narcolepsy with cataplexy include excessive daytime sleepiness, sudden loss of muscle tone (cataplexy), hallucinations, sleep paralysis, and disrupted nighttime sleep. These symptoms can vary in severity and frequency from person to person.


Diagnosing narcolepsy with cataplexy usually involves a combination of medical history, physical exam, sleep studies, and specialized tests such as a multiple sleep latency test (MSLT) and a polysomnogram. A diagnosis is essential for developing an appropriate treatment plan.


Treatment for narcolepsy with cataplexy typically includes a combination of medications, lifestyle modifications, and behavioral therapy. Medications such as stimulants, antidepressants, and sodium oxybate can help manage symptoms and improve quality of life.


Narcolepsy with cataplexy is a complex neurological disorder that requires a comprehensive approach to diagnosis and treatment. By understanding the ICD-10 code, diagnostic criteria, and treatment options, healthcare providers can effectively manage patients with this condition and improve their quality of life.


1. Is narcolepsy with cataplexy a rare condition?
2. Can narcolepsy with cataplexy be cured?
3. What are the long-term effects of narcolepsy with cataplexy?
4. How does narcolepsy with cataplexy affect daily life?
5. Are there any support groups for individuals with narcolepsy with cataplexy?

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