Sleep disorders
In Episodic and paroxysmal disorders (G40-G47), chapter 6: Diseases of the Nervous System
43 billable codes under G47: none are a CC or MCC; none map to an HCC.
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers default dominant or nondominant side for hemiplegia and monoplegia, and use and sequencing of G89 pain codes, including postoperative, chronic, and neoplasm-related pain.
- Dominant/nondominant side (page 45)
- Pain - Category G89 (page 45)
All codes under G47
G47 can't be used on a claim. Pick a billable code below; grey headings group them.
- G47.0Insomnia
- G47.00Insomnia, unspecified
- G47.01Insomnia due to medical condition
- G47.09Other insomnia
- G47.1Hypersomnia
- G47.10Hypersomnia, unspecified
- G47.11Idiopathic hypersomnia with long sleep time
- G47.12Idiopathic hypersomnia without long sleep time
- G47.13Recurrent hypersomnia
- G47.14Hypersomnia due to medical condition
- G47.19Other hypersomnia
- G47.2Circadian rhythm sleep disorders
- G47.20Circadian rhythm sleep disorder, unspecified type
- G47.21Circadian rhythm sleep disorder, delayed sleep phase type
- G47.22Circadian rhythm sleep disorder, advanced sleep phase type
- G47.23Circadian rhythm sleep disorder, irregular sleep wake type
- G47.24Circadian rhythm sleep disorder, free running type
- G47.25Circadian rhythm sleep disorder, jet lag type
- G47.26Circadian rhythm sleep disorder, shift work type
- G47.27Circadian rhythm sleep disorder in conditions classified elsewhere
- G47.29Other circadian rhythm sleep disorder
- G47.3Sleep apnea
- G47.30Sleep apnea, unspecified
- G47.31Primary central sleep apnea
- G47.32High altitude periodic breathing
- G47.33Obstructive sleep apnea (adult) (pediatric)
- G47.34Idiopathic sleep related nonobstructive alveolar hypoventilation
- G47.35Congenital central alveolar hypoventilation syndrome
- G47.36Sleep related hypoventilation in conditions classified elsewhere
- G47.37Central sleep apnea in conditions classified elsewhere
- G47.39Other sleep apnea
- G47.4Narcolepsy and cataplexy
- G47.41Narcolepsy
- G47.411Narcolepsy with cataplexy
- G47.419Narcolepsy without cataplexy
- G47.42Narcolepsy in conditions classified elsewhere
- G47.421Narcolepsy in conditions classified elsewhere with cataplexy
- G47.429Narcolepsy in conditions classified elsewhere without cataplexy
- G47.5Parasomnia
- G47.50Parasomnia, unspecified
- G47.51Confusional arousals
- G47.52REM sleep behavior disorder
- G47.53Recurrent isolated sleep paralysis
- G47.54Parasomnia in conditions classified elsewhere
- G47.59Other parasomnia
- G47.6Sleep related movement disorders
- G47.61Periodic limb movement disorder
- G47.62Sleep related leg cramps
- G47.63Sleep related bruxism
- G47.69Other sleep related movement disorders
- G47.8Other sleep disorders
- G47.9Sleep disorder, unspecified
G47 MS-DRGs
As the principal diagnosis, the billable codes under G47 group to these 8 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 887 Other Mental Disorder Diagnoses (10 of 43 codes)
- DRG 091 Other Disorders of Nervous System with MCC (5 of 43 codes)
- DRG 092 Other Disorders of Nervous System with CC (5 of 43 codes)
- DRG 093 Other Disorders of Nervous System without CC/MCC (5 of 43 codes)
- DRG 154 Other Ear, Nose, Mouth and Throat Diagnoses with MCC (2 of 43 codes)
- DRG 155 Other Ear, Nose, Mouth and Throat Diagnoses with CC (2 of 43 codes)
- DRG 156 Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC (2 of 43 codes)
- DRG 204 Respiratory Signs and Symptoms (1 of 43 codes)
Other codes that refer to G47
Notes on these codes point to G47.
- F51 Excludes2: organic sleep disorders (G47.-)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Sleep Disorders
While you are sleeping your brain and body functions are still active. Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy.
Read more about sleep disorders on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.