2025 ICD-10-CM Diagnosis Code G47.2

by

Circadian rhythm sleep disorders

  • G47.2 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM G47.2 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of G47.2 – other international versions of ICD-10 G47.2 may differ.

Applicable To

  • Disorders of the sleep wake schedule
  • Inversion of nyctohemeral rhythm
  • Inversion of sleep rhythm

The following code(s) above G47.2 contain annotation back-references

 that may be applicable to G47.2:

  • G00-G99  Diseases of the nervous system
  • G47  Sleep disorders

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.

Code 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 G47.2:

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