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ICD-10-CM · FY 2026 APRIL UPDATE

G47

Sleep disorders

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
G47.0InsomniaCategory
G47.00Insomnia, unspecifiedBillable
G47.01Insomnia due to medical conditionBillable
G47.09Other insomniaBillable
G47.1HypersomniaCategory
G47.10Hypersomnia, unspecifiedBillable
G47.11Idiopathic hypersomnia with long sleep timeBillable
G47.12Idiopathic hypersomnia without long sleep timeBillable
G47.13Recurrent hypersomniaBillable
G47.14Hypersomnia due to medical conditionBillable
G47.19Other hypersomniaBillable
G47.2Circadian rhythm sleep disordersCategory
G47.20Circadian rhythm sleep disorder, unspecified typeBillable
G47.21Circadian rhythm sleep disorder, delayed sleep phase typeBillable
G47.22Circadian rhythm sleep disorder, advanced sleep phase typeBillable
G47.23Circadian rhythm sleep disorder, irregular sleep wake typeBillable
G47.24Circadian rhythm sleep disorder, free running typeBillable
G47.25Circadian rhythm sleep disorder, jet lag typeBillable
G47.26Circadian rhythm sleep disorder, shift work typeBillable
G47.27Circadian rhythm sleep disorder in conditions classified elsewhereBillable
G47.29Other circadian rhythm sleep disorderBillable
G47.3Sleep apneaCategory
G47.30Sleep apnea, unspecifiedBillable
G47.31Primary central sleep apneaBillable
G47.32High altitude periodic breathingBillable
G47.33Obstructive sleep apnea (adult) (pediatric)Billable
G47.34Idiopathic sleep related nonobstructive alveolar hypoventilationBillable
G47.35Congenital central alveolar hypoventilation syndromeBillable
G47.36Sleep related hypoventilation in conditions classified elsewhereBillable
G47.37Central sleep apnea in conditions classified elsewhereBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.