Antiemetics — 5-HT3 Antagonists

Block serotonin receptors involved in the chemotherapy-induced nausea pathway. Used to prevent chemotherapy- and radiation-induced nausea and vomiting.

HCPCS J-codes in this class (4)

Code	Description	Status
J1626	Granisetron hcl injection	active
J2405	Ondansetron hcl injection	active
J2468	Inj, palonosetron (posfrea)	active
J2469	Palonosetron hcl	active