HCPCS Level II · Outpatient PPS (temporary codes)
C9794Therapeutic 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)
Terminated 12/31/2024
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About C9794
C9794 is an HCPCS Level II code in the C series (outpatient PPS (temporary codes)), describing 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 added to HCPCS effective 01/01/2024, and its current record took effect 01/01/2025.
It was terminated on 12/31/2024 and can't be billed for later dates of service.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Complex simulation w/pet-ct
- Date added
- 01/01/2024
- Action effective
- 01/01/2025
- Termination date
- 12/31/2024
- BETOS
- P7A
Related C97xx codes
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- C9726Placement and removal (if performed) of applicator into breast for intraoperative radiation therapy, add-on to primary breast procedure
- C9727Insertion of implants into the soft palate; minimum of three implants
- C9728Placement of interstitial device(s) for radiation therapy/surgery guidance (e.g., fiducial markers, dosimeter), for other than the following sites (any approach): abdomen, pelvis, prostate, retroperitoneum, thorax, single or multiple
- C9733Non-ophthalmic fluorescent vascular angiography
- C9734Focused ultrasound ablation/therapeutic intervention, other than uterine leiomyomata, with magnetic resonance (mr) guidance
- C9738Adjunctive blue light cystoscopy with fluorescent imaging agent (list separately in addition to code for primary procedure)
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- C9756Intraoperative near-infrared fluorescence lymphatic mapping of lymph node(s) (sentinel or tumor draining) with administration of indocyanine green (icg) (list separately in addition to code for primary procedure)
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Common questions about C9794
Is HCPCS C9794 still valid?
- No. C9794 was terminated on 12/31/2024.
Does Medicare cover C9794?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.