G44
Non-billableOther headache syndromes
G44 is the ICD-10-CM code for Other headache syndromes. It is a non-billable category code — use a more specific child code such as G44.0 for billing.
- Status
- Header (non-billable)
- Chapter
- G00-G99
- Subcodes
- 7
- Edition
- FY2026
G00-G99 Diseases of the nervous system
Excludes1 — not coded here
- •headache NOS (R51.9)
Excludes2 — not included here
Frequently asked questions
- What is ICD-10 code G44?
- G44 is the ICD-10-CM code for "Other headache syndromes". It falls under G00-G99 Diseases of the nervous system.
- Is G44 a billable code?
- No — G44 is a non-billable header code. Use a more specific child code (such as G44.0) for billing.
- What is excluded from G44?
- Excludes1 (not coded here): headache NOS (R51.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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