R51.- Headache

Excludes

  • Atypical face pain (G50.1)
  • Migraine and other headache syndromes (G43-G44)
  • Trigeminal neuralgia (G50.0)
  • R51
  • Headache
    • R51.0
    Headache with orthostatic component, not elsewhere classified
    • R51.9
    Headache, unspecified