ICD-9-CM Codes ICD-9-PCS Codes

339.02 - Chronic cluster headache

GEM Conversion to ICD-10 CM

G44.029

Fs: 10000 – Chronic cluster headache, not intractable

Sibling Codes

339.00

Cluster headache syndrome, unspecified

339.01

Episodic cluster headache

339.02

Chronic cluster headache

339.03

Episodic paroxysmal hemicrania

339.04

Chronic paroxysmal hemicrania

339.05

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing

339.09

Other trigeminal autonomic cephalgias

Parent Sibling Codes

339.3

Drug induced headache, not elsewhere classified