G47.21
Circadian rhythm sleep disorder, delayed sleep phase type
Circadian rhythm sleep disorder, delayed sleep phase type: Diseases of the nervous system (ICD-10-CM G00 to G99), a billable code.
- ICD-10-CM
- G47.21
- Description
- Circadian rhythm sleep disorder, delayed sleep phase type
- Chapter
- Diseases of the nervous system (G00–G99)
- Type
- Billable code