2020 ICD-10-CM Diagnosis Code G47.50

Parasomnia, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • G47.50 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM G47.50 became effective on October 1, 2019.
  • 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
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G47.50:
  • G00-G99
    2020 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the nervous system
  • G47
    ICD-10-CM Diagnosis Code G47

    Sleep disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Sleep disorders
  • G47.5
    ICD-10-CM Diagnosis Code G47.5

    Parasomnia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    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 v37.0):
  • 011 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth & 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-CM

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

Diagnosis Index entries containing back-references to G47.50:
  • Disorder (of) - see also Disease
    • sleep G47.9
      ICD-10-CM Diagnosis Code G47.9

      Sleep disorder, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Sleep disorder NOS
      • Unspecified sleep-wake disorder
      • parasomnia type G47.50
  • Parasomnia G47.50
    • organic G47.50

ICD-10-CM Codes Adjacent To G47.50
G47.37 Central sleep apnea in conditions classified elsewhere
G47.39 Other sleep apnea
G47.4 Narcolepsy and cataplexy
G47.41 Narcolepsy
G47.411 …… with cataplexy
G47.419 …… without cataplexy
G47.42 Narcolepsy in conditions classified elsewhere
G47.421 …… with cataplexy
G47.429 …… without cataplexy
G47.5 Parasomnia
G47.50 …… unspecified
G47.51 Confusional arousals
G47.52 REM sleep behavior disorder
G47.53 Recurrent isolated sleep paralysis
G47.54 …… in conditions classified elsewhere
G47.59 Other parasomnia
G47.6 Sleep related movement disorders
G47.61 Periodic limb movement disorder
G47.62 Sleep related leg cramps
G47.63 Sleep related bruxism
G47.69 Other sleep related movement disorders

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.