G44.009ICD-10-CM 2027 · Billable
Cluster headache syndrome, unspecified, not intractable
Sibling codes
G44.001– Cluster headache syndrome, unspecified, intractable
Inclusion terms
- Cluster headache syndrome NOS
Inherited from G44.00: Cluster headache syndrome, unspecified
Inclusion terms
- Ciliary neuralgia
- Cluster headache NOS
- Histamine cephalgia
- Lower half migraine
- Migrainous neuralgia
Inherited from G44: Other headache syndromes
Excludes1
- headache NOS (
R51.9)
Excludes2
Part of: G44.00: Cluster headache syndrome, unspecified › G44.0: Cluster headaches and other trigeminal autonomic cephalgias (TAC) › G44: Other headache syndromes