Q0174 – Thiethylperazine maleate, 10 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 48 hour dosage regimen

HCPCS Level II code · Q codes: Temporary Codes

Discontinued December 31, 2025 Special coverage instructions apply

HCPCS codeQ0174
Long description
Thiethylperazine maleate, 10 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 48 hour dosage regimen
Short description
Thiethylperazine maleate10mg
Pricing indicator
51 Drugs
Medicare coverage
D Special coverage instructions apply
BETOS category
O1D Chemotherapy
Added
April 1, 1998
Last change
January 1, 2026 – No change
Termination date
December 31, 2025

Frequently asked questions

What is HCPCS code Q0174?

Q0174 is a HCPCS Level II code for thiethylperazine maleate, 10 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 48 hour dosage regimen. It was discontinued on December 31, 2025.

Does Medicare cover Q0174?

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.