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G47.2

Non-billable

Circadian rhythm sleep disorders

G47.2 is the ICD-10-CM code for Circadian rhythm sleep disorders. It is a non-billable category code — use a more specific child code such as G47.20 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G47
Subcodes
9
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

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

Frequently asked questions

What is ICD-10 code G47.2?
G47.2 is the ICD-10-CM code for "Circadian rhythm sleep disorders". It falls under G00-G99 Diseases of the nervous system.
Is G47.2 a billable code?
No — G47.2 is a non-billable header code. Use a more specific child code (such as G47.20) for billing.
What are the subcodes of G47.2?
G47.2 has 9 more specific child codes, including G47.20, G47.21, G47.22.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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