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)
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
53Statute- Medicare coverage
DSpecial coverage instructions apply- BETOS category
P7AOncology - 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
- C9786 – Echocardiography image post processing for computer aided detection of heart failure with preserved ejection fraction, including interpretation and report
- C9787 – Gastric electrophysiology mapping with simultaneous patient symptom profiling
- C9788 – Opto-acoustic imaging, breast (including axilla when performed), unilateral, with image documentation, analysis and report, obtained with ultrasound examination
- C9789 – Instillation of anti-neoplastic pharmacologic/biologic agent into renal pelvis, any method, including all imaging guidance, including volumetric measurement if performed
- C9790 – Histotripsy (i.e., non-thermal ablation via acoustic energy delivery) of malignant renal tissue, including image guidance
- C9791 – Magnetic resonance imaging with inhaled hyperpolarized xenon-129 contrast agent, chest, including preparation and administration of agent
- C9792 – Blinded or nonblinded procedure for symptomatic new york heart association (nyha) class ii, iii, iva heart failure; transcatheter implantation of left atrial to coronary sinus shunt using jugular vein access, including all imaging necessary to intra procedurally map the coronary sinus for optimal shunt placement (e.g., tee or ice ultrasound, fluoroscopy), performed under general anesthesia in an approved investigational device exemption (ide) study)
- C9793 – 3d predictive model generation for pre-planning of a cardiac procedure, using data from cardiac computed tomographic angiography and/or magnetic resonance imaging with report
- C9795 – Stereotactic body radiation therapy, treatment delivery, per fraction to 1 or more lesions, including image guidance and real-time positron emissions-based delivery adjustments to 1 or more lesions, entire course not to exceed 5 fractions
- C9796 – Repair of enterocutaneous fistula small intestine or colon (excluding anorectal fistula) with plug (e.g., porcine small intestine submucosa [sis])
- C9797 – Vascular embolization or occlusion procedure with use of a pressure-generating catheter (e.g., one-way valve or occlusion balloon, intermittently or temporarily occluding), inclusive of all radiological supervision and interpretation, intraprocedural roadmapping, and imaging guidance necessary to complete the intervention; for tumors, organ ischemia, or infarction
- C9800 – Dermal injection procedure(s) for facial lipodystrophy syndrome (lds) and provision of radiesse or sculptra dermal filler, including all items and supplies
- C9803 – Hospital outpatient clinic visit specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source
- C9804 – Elastomeric infusion pump (e.g., on-q* pump with bolus), including catheter and all disposable system components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9806 – Rotary peristaltic infusion pump (e.g., ambit pump), including catheter and all disposable system components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9807 – Nerve stimulator, percutaneous, peripheral (e.g., sprint peripheral nerve stimulation system), including electrode and all disposable system components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.