Q0166 – Granisetron hydrochloride, 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 24 hour dosage regimen

HCPCS Level II code · Q codes: Temporary Codes

Active code Special coverage instructions apply

HCPCS codeQ0166
Long description
Granisetron hydrochloride, 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 24 hour dosage regimen
Short description
Granisetron hcl 1 mg oral
Pricing indicator
51 Drugs
Medicare coverage
D Special coverage instructions apply
BETOS category
O1D Chemotherapy
Added
April 1, 1998
Last change
January 1, 2009 – No change

Frequently asked questions

What is HCPCS code Q0166?

Q0166 is a HCPCS Level II code for granisetron hydrochloride, 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 24 hour dosage regimen.

Does Medicare cover Q0166?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby Q codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.