Diagnosis Code

G47.20 CIRCADIAN RHYTHM SLEEP DISORDER, UNSPECIFIED TYPE


Code Information

Diagnosis Code: G47.20

Short Description: Circadian rhythm sleep disorder, unspecified type

Long Description: Circadian rhythm sleep disorder, unspecified type

The code G47.20 is VALID for claim submission

Code Classification:

  • Diseases of the nervous system (G00–G99)
    • Episodic and paroxysmal disorders (G40-G47)
      • Sleep disorders (G47)
        • G47.20 Circadian rhythm sleep disorder, unspecified type

Code Version: 2022 ICD-10-CM


Synonyms

  • Abnormal biorhythm
  • Abnormal chronobiologic state
  • Abnormal circadian rhythm
  • Disorder of sleep-wake cycle
  • Disruptions of 24 hour sleep-wake cycle
  • Organic sleep-wake cycle disorder
  • Transient sleep-wake rhythm disorder

References to Index of Diseases and Injuries

The code G47.20 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Sleep wake schedule disorder NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G47.20 Right Arrow 327.30 Circadian rhym sleep NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G47 Sleep disorders
G47.0 Insomnia
G47.00 Insomnia, unspecified
G47.01 Insomnia due to medical condition
G47.09 Other insomnia
G47.1 Hypersomnia
G47.10 Hypersomnia, unspecified
G47.11 Idiopathic hypersomnia with long sleep time
G47.12 Idiopathic hypersomnia without long sleep time
G47.13 Recurrent hypersomnia
G47.14 Hypersomnia due to medical condition
G47.19 Other hypersomnia
G47.2 Circadian rhythm sleep disorders
G47.21 Circadian rhythm sleep disorder, delayed sleep phase type
G47.22 Circadian rhythm sleep disorder, advanced sleep phase type
G47.23 Circadian rhythm sleep disorder, irregular sleep wake type
G47.24 Circadian rhythm sleep disorder, free running type
G47.25 Circadian rhythm sleep disorder, jet lag type
G47.26 Circadian rhythm sleep disorder, shift work type
G47.27 Circadian rhythm sleep disorder in conditions classified elsewhere
G47.29 Other circadian rhythm sleep disorder
G47.3 Sleep apnea
G47.30 Sleep apnea, unspecified
G47.31 Primary central sleep apnea
G47.32 High altitude periodic breathing
G47.33 Obstructive sleep apnea (adult) (pediatric)
G47.34 Idiopathic sleep related nonobstructive alveolar hypoventilation
G47.35 Congenital central alveolar hypoventilation syndrome
G47.36 Sleep related hypoventilation in conditions classified elsewhere
G47.37 Central sleep apnea in conditions classified elsewhere
G47.39 Other sleep apnea
G47.4 Narcolepsy and cataplexy
G47.41 Narcolepsy
G47.411 Narcolepsy with cataplexy
G47.419 Narcolepsy without cataplexy
G47.42 Narcolepsy in conditions classified elsewhere
G47.421 Narcolepsy in conditions classified elsewhere with cataplexy
G47.429 Narcolepsy in conditions classified elsewhere without cataplexy
G47.5 Parasomnia
G47.50 Parasomnia, unspecified
G47.51 Confusional arousals
G47.52 REM sleep behavior disorder
G47.53 Recurrent isolated sleep paralysis
G47.54 Parasomnia 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
G47.8 Other sleep disorders
G47.9 Sleep disorder, unspecified


This page was last updated on: 10/1/2023