G44.0 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.
Related Diagnoses G44.00 Cluster headache syndrome, unspecified G44.001 Cluster headache syndrome, unspecified, intractable G44.009 Cluster headache syndrome, unspecified, not intractable G44.01 Episodic cluster headache G44.011 Episodic cluster headache, intractable G44.019 Episodic cluster headache, not intractable G44.02 Chronic cluster headache G44.021 Chronic cluster headache, intractable G44.029 Chronic cluster headache, not intractable G44.03 Episodic paroxysmal hemicrania G44.031 Episodic paroxysmal hemicrania, intractable G44.039 Episodic paroxysmal hemicrania, not intractable G44.04 Chronic paroxysmal hemicrania G44.041 Chronic paroxysmal hemicrania, intractable G44.049 Chronic paroxysmal hemicrania, not intractable G44.05 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) G44.051 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable G44.059 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable G44.09 Other trigeminal autonomic cephalgias (TAC) G44.091 Other trigeminal autonomic cephalgias (TAC), intractable G44.099 Other trigeminal autonomic cephalgias (TAC), not intractable AI Search
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