C9794 – Therapeutic radiology simulation-aided field setting; complex, including acquisition of pet and ct imaging data required for radiopharmaceutical-directed radiation therapy treatment planning (i.e., modeling)

HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)

Discontinued December 31, 2024 Special coverage instructions apply

HCPCS codeC9794
Long description
Therapeutic radiology simulation-aided field setting; complex, including acquisition of pet and ct imaging data required for radiopharmaceutical-directed radiation therapy treatment planning (i.e., modeling)
Short description
Complex simulation w/pet-ct
Pricing indicator
53 Statute
Medicare coverage
D Special coverage instructions apply
BETOS category
P7A Oncology - radiation therapy
Cross reference
G0562
Added
January 1, 2024
Last change
January 1, 2025 – No change
Termination date
December 31, 2024

Frequently asked questions

What is HCPCS code C9794?

C9794 is a HCPCS Level II code for therapeutic radiology simulation-aided field setting; complex, including acquisition of pet and ct imaging data required for radiopharmaceutical-directed radiation therapy treatment planning (i.e., modeling). It was discontinued on December 31, 2024.

Does Medicare cover C9794?

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 C codes

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