ICD-10-CM Diagnosis Code (2025)
Official Description for G47.2
Circadian rhythm sleep disorders
Coding Notes & Guidelines for G47.2
underlying condition
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Sleep wake schedule disorder NOS
Delayed sleep phase syndrome
Irregular sleep-wake pattern
Circadian rhythm sleep disorder, non-24-hour sleep-wake type
Parent Code (Less Specific):
About ICD-10-CM Code G47.2 (Circadian rhythm sleep disorders)
ICD-10-CM code G47.2 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G47.2 became effective on October 1, 2024.
This page provides detailed information about G47.2 - Circadian rhythm sleep disorders. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Circadian rhythm sleep disorders.