G44.02

Chronic cluster headache

Non-billable header

G44.02 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96) (from G44)
certain infectious and parasitic diseases (A00-B99) (from G44)
complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G44)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G44)
endocrine, nutritional and metabolic diseases (E00-E88) (from G44)
injury, poisoning and certain other consequences of external causes (S00-T88) (from G44)
neoplasms (C00-D49) (from G44)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G44)
atypical facial pain (G50.1) (from G44)
headache due to lumbar puncture (G97.1) (from G44)
migraines (G43.-) (from G44)
trigeminal neuralgia (G50.0) (from G44)

G44.00Cluster headache syndrome, unspecifiedHeader
G44.01Episodic cluster headacheHeader
G44.03Episodic paroxysmal hemicraniaHeader
G44.04Chronic paroxysmal hemicraniaHeader
G44.05Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)Header
G44.09Other trigeminal autonomic cephalgias (TAC)Header