G47.2 - Circadian rhythm sleep disorders

Version 2023
ICD-10:G47.2
Short Description:Circadian rhythm sleep disorders
Long Description:Circadian rhythm sleep disorders
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Diseases of the nervous system (G00–G99)
    • Episodic and paroxysmal disorders (G40-G47)
      • Sleep disorders (G47)

G47.2 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of circadian rhythm sleep disorders. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Circadian rhythm sleep disorders

Non-specific codes like G47.2 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for circadian rhythm sleep disorders:

  • BILLABLE CODE - Use G47.20 for Circadian rhythm sleep disorder, unspecified type
  • BILLABLE CODE - Use G47.21 for Circadian rhythm sleep disorder, delayed sleep phase type
  • BILLABLE CODE - Use G47.22 for Circadian rhythm sleep disorder, advanced sleep phase type
  • BILLABLE CODE - Use G47.23 for Circadian rhythm sleep disorder, irregular sleep wake type
  • BILLABLE CODE - Use G47.24 for Circadian rhythm sleep disorder, free running type
  • BILLABLE CODE - Use G47.25 for Circadian rhythm sleep disorder, jet lag type
  • BILLABLE CODE - Use G47.26 for Circadian rhythm sleep disorder, shift work type
  • BILLABLE CODE - Use G47.27 for Circadian rhythm sleep disorder in conditions classified elsewhere
  • BILLABLE CODE - Use G47.29 for Other circadian rhythm sleep disorder

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Patient Education


Sleep Disorders

What is sleep?

Sleep is a complex biological process. While you are sleeping, you are unconscious, but your brain and body functions are still active. They are doing a number of important jobs that help you stay healthy and function at your best. So when you don't get enough quality sleep, it does more than just make you feel tired. It can affect your physical and mental health, thinking, and daily functioning.

What are sleep disorders?

Sleep disorders are conditions that disturb your normal sleep patterns. There are more than 80 different sleep disorders. Some major types include:

Some people who feel tired during the day have a true sleep disorder. But for others, the real problem is not allowing enough time for sleep. It's important to get enough sleep every night. The amount of sleep you need depends on several factors, including your age, lifestyle, health, and whether you have been getting enough sleep recently. Most adults need about 7-8 hours each night.

What causes sleep disorders?

There are different causes for different sleep disorders, including:

Sometimes the cause is unknown.

There are also some factors that can contribute to sleep problems, including:

What are the symptoms of sleep disorders?

The symptoms of sleep disorders depend on the specific disorder. Some signs that you may have a sleep disorder include that:

How are sleep disorders diagnosed?

To make a diagnosis, your health care provider will use your medical history, your sleep history, and a physical exam. You may also have a sleep study (polysomnogram). The most common types of sleep studies monitor and record data about your body during a full night of sleep. The data includes:

Other types of sleep studies may check how quickly you fall asleep during daytime naps or whether you are able to stay awake and alert during the day.

What are the treatments for sleep disorders?

Treatments for sleep disorders depend on which disorder you have. They may include:


[Learn More in MedlinePlus]

Code History