ICD-10 Code: G44.09 – Other trigeminal autonomic cephalgias (TAC)
ICD-10 code G44.09 corresponds to Other trigeminal autonomic cephalgias (TAC). This code is classified under the chapter G44 Other headache syndromes, which is part of the G40-G47: Episodic and paroxysmal disorders category.
The parent chapter is Diseases of the nervous system.