Type 1 Excludes
- headache NOS (R51.9)
Type 2 Excludes
- atypical facial pain (G50.1)
- headache due to lumbar puncture (G97.1)
- migraines (G43.-)
- trigeminal neuralgia (G50.0)
- Codes Description
- G44.0
Cluster headaches and other trigeminal autonomic cephalgias (TAC)
- G44.1
Vascular headache, not elsewhere classified
- G44.2
Tension-type headache
- G44.3
Post-traumatic headache
- G44.4
Drug-induced headache, not elsewhere classified
- G44.5
Complicated headache syndromes
- G44.8
Other specified headache syndromes