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ICDMine.com › Browse ICD-10-CM Codes › Ch. 6: Diseases of the nervous system (G00-G99) › Episodic and paroxysmal disorders (G40-G47) › G47 Sleep disorders › G47.2

G47.2Circadian rhythm sleep disorders

ICD-10-CM category (non-billable header) code — part of Episodic and paroxysmal disorders (G40-G47)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 6: Diseases of the nervous system (G00-G99)
Section	Episodic and paroxysmal disorders (G40-G47)
Parent code	G47 — Sleep disorders

Coding Notes

Inclusion Terms

Disorders of the sleep wake schedule
Inversion of nyctohemeral rhythm
Inversion of sleep rhythm

Subcategories (9)

G47.20 Circadian rhythm sleep disorder, unspecified type
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 classd elswhr
G47.29 Other circadian rhythm sleep disorder

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