ICD-10-CM · Chapter 18 · R00-R99
R51 Headache
Excludes 2 (not included here)
- atypical face pain (G50.1)
- migraine and other headache syndromes (G43-G44)
- trigeminal neuralgia (G50.0)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R51..0 | Headache with orthostatic component, not elsewhere classified | Yes |
| R51..9 | Headache, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category R51:
- Headache — Dolor de cabeza
Last reviewed: September 2026