G44.09
Header — not billableOther trigeminal autonomic cephalgias (TAC)
The ICD-10 code for other trigeminal autonomic cephalgias (tac) is G44.09.
G44.09 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G44.00Cluster headache syndrome, unspecifiednon-billable header
- G44.01Episodic cluster headachenon-billable header
- G44.02Chronic cluster headachenon-billable header
- G44.03Episodic paroxysmal hemicranianon-billable header
- G44.04Chronic paroxysmal hemicranianon-billable header
- G44.05Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)non-billable header
- G44.09Other trigeminal autonomic cephalgias (TAC)non-billable header