R51Level 2
Headache
**Excludes2:** - atypical face pain (G50.1) - migraine and other headache syndromes (G43-G44) - trigeminal neuralgia (G50.0)
GET
/api/v1/systems/icd10cm/nodes/R51Hierarchy Explorer
Cross-system equivalences0
No cross-system equivalences mapped for this node.