ICD-10 CM Code G44.00
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G44 Other headache syndromes
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G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
G44.00
Cluster headache syndrome, unspecified
Inclusion Term
- Ciliary neuralgia
- Cluster headache NOS
- Histamine cephalgia
- Lower half migraine
- Migrainous neuralgia
Excludes Type 1
- headache NOS (R51)
Excludes Type 2
- atypical facial pain (G50.1)
- headache due to lumbar puncture (G97.1)
- migraines (G43.-)
- trigeminal neuralgia (G50.0)
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