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G43.C

Non-billable

Periodic headache syndromes in child or adult

G43.C is the ICD-10-CM code for Periodic headache syndromes in child or adult. It is a non-billable category code — use a more specific child code such as G43.C0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G43
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G43.C?
G43.C is the ICD-10-CM code for "Periodic headache syndromes in child or adult". It falls under G00-G99 Diseases of the nervous system.
Is G43.C a billable code?
No — G43.C is a non-billable header code. Use a more specific child code (such as G43.C0) for billing.
What are the subcodes of G43.C?
G43.C has 2 more specific child codes, including G43.C0, G43.C1.

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

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