2025 ICD-10-CM Diagnosis Code G47.50

Parasomnia, unspecified

  • G47.50 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 G47.50 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of G47.50 – other international versions of ICD-10 G47.50 may differ.

Applicable To

  • Parasomnia NOS

The following code(s) above G47.50 contain annotation back-references

 that may be applicable to G47.50:

  • G00-G99  Diseases of the nervous system
  • G47  Sleep disorders
  • G47.5  Parasomnia

Approximate Synonyms

  • Organic parasomnia
  • Parasomnia
  • Parasomnia (sleep disorder)

Clinical Information

  • A group of sleep disorders causing disruption of sleep. Representative examples include nightmare disorders, sleep terror disorders, sleepwalking, and restless leg syndrome.
  • An abnormal disruption of sleep, such as sleep walking, sleep talking, nightmares, bedwetting, sleep apnea (problems with breathing that cause loud snoring), or nighttime seizures.
  • Movements or behaviors associated with sleep, sleep stages, or partial arousals from sleep that may impair sleep maintenance. Parasomnias are generally divided into four groups: arousal disorders, sleep-wake transition disorders, parasomnias of rem sleep, and nonspecific parasomnias. (from thorpy, sleep disorders medicine, 1994, p191)

ICD-10-CM G47.50 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
  • 154 Other ear, nose, mouth and throat diagnoses with mcc
  • 155 Other ear, nose, mouth and throat diagnoses with cc
  • 156 Other ear, nose, mouth and throat diagnoses without cc/mcc

Convert G47.50 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 G47.50:

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