2025 ICD-10-CM Diagnosis Code G47.20

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Circadian rhythm sleep disorder, unspecified type

  • G47.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM G47.20 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of G47.20 – other international versions of ICD-10 G47.20 may differ.

Applicable To

  • Sleep wake schedule disorder NOS

The following code(s) above G47.20 contain annotation back-references

 that may be applicable to G47.20:

  • G00-G99  Diseases of the nervous system
  • G47  Sleep disorders
  • G47.2  Circadian rhythm sleep disorders

Approximate Synonyms

  • Circadian rhythm sleep disorder
  • Disruptions of 24 hour sleep-wake cycle
  • Organic sleep wake cycle disorder
  • Sleep disorder, disruptions 24 hour cycle
  • Sleep disorder, disruptions 24 hr cycle
  • Sleep wake cycle disorder, organic origin
  • Sleep-wake schedule disorder

Clinical Information

  • A sleep disorder characterized by persistent sleep disruption (excessive sleepiness and/or insomnia) that is due to a conflict between the individual’s internal sleep-wake system and the demands of his or her environment regarding the timing and duration of sleep.
  • Dyssomnias associated with disruption of the normal 24 hour sleep wake cycle secondary to travel (e.g., jet lag syndrome), shift work, or other causes.

ICD-10-CM G47.20 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc

Convert G47.20 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to G47.20:

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