G47.2Non-billable (header)
Circadian rhythm sleep disorders
Inclusion Terms
- •Disorders of the sleep wake schedule
- •Inversion of nyctohemeral rhythm
- •Inversion of sleep rhythm
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G40-G47Episodic and paroxysmal disorders (G40-G47)├G47Sleep disorders
└G47.2Circadian rhythm sleep disorders
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