G47.22 Circadian rhythm sleep disorder, advanced sleep phase type

The following code(s) above G47.22 may contain annotation back-references that may be applicable to G47.22:

• Diseases of the nervous system (G00-G99)
• Circadian rhythm sleep disorders (G47.2)

Diagnosis Index

Disorder - see also Disease
- Sleep G47.9
-- Circadian Rhythm G47.20
--- Advance Sleep Phase Type G47.22