G44.00 – Cluster headache syndrome, unspecified
Coding Notes
Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions
Applicable To
Ciliary neuralgia
Cluster headache NOS
Histamine cephalgia
Lower half migraine
Migrainous neuralgia
Child Codes
Sibling Codes
Parent Sibling Codes
View in Tabular
| Code | Title |
|---|---|
| G00-G99 | Diseases of the nervous system (G00-G99) |
| G40-G47 | Episodic and paroxysmal disorders (G40-G47) |
| G44 | Other headache syndromes |
| G44.0 | Cluster headaches and other trigeminal autonomic cephalgias (TAC) |
| G44.00 |
Cluster headache syndrome, unspecified
Applicable to
Ciliary neuralgia
Cluster headache NOS
Histamine cephalgia
Lower half migraine
Migrainous neuralgia
|
| G44.001 | Cluster headache syndrome, unspecified, intractable |
| G44.009 | Cluster headache syndrome, unspecified, not intractable |