G0339 – Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG0339
- Long description
- Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment
- Short description
- Robot lin-radsurg com, first
- Pricing indicator
13Priced by the Medicare contractor (carrier)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
P5EAmbulatory procedures - other- Added
- January 1, 2004
- Last change
- January 1, 2014 – No change
Frequently asked questions
What is HCPCS code G0339?
G0339 is a HCPCS Level II code for image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment.
Does Medicare cover G0339?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G0322 – The collection of physiologic data digitally stored and/or transmitted by the patient to the home health agency (i.e., remote patient monitoring)
- G0323 – Care management services for behavioral health conditions, at least 20 minutes of clinical psychologist, clinical social worker, mental health counselor, or marriage and family therapist time, per calendar month. (these services include the following required elements: initial assessment or follow-up monitoring, including the use of applicable validated rating scales; behavioral health care planning in relation to behavioral/psychiatric health problems, including revision for patients who are not progressing or whose status changes; facilitating and coordinating treatment such as psychotherapy, coordination with and/or referral to physicians and practitioners who are authorized by medicare to prescribe medications and furnish e/m services, counseling and/or psychiatric consultation; and continuity of care with a designated member of the care team)
- G0327 – Colorectal cancer screening; blood-based biomarker
- G0328 – Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous
- G0329 – Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of care
- G0330 – Facility services for dental rehabilitation procedure(s) performed on a patient who requires monitored anesthesia (e.g., general, intravenous sedation (monitored anesthesia care) and use of an operating room
- G0333 – Pharmacy dispensing fee for inhalation drug(s); initial 30-day supply as a beneficiary
- G0337 – Hospice evaluation and counseling services, pre-election
- G0340 – Image-guided robotic linear accelerator-based stereotactic radiosurgery, delivery including collimator changes and custom plugging, fractionated treatment, all lesions, per session, second through fifth sessions, maximum five sessions per course of treatment
- G0341 – Percutaneous islet cell transplant, includes portal vein catheterization and infusion
- G0342 – Laparoscopy for islet cell transplant, includes portal vein catheterization and infusion
- G0343 – Laparotomy for islet cell transplant, includes portal vein catheterization and infusion
- G0364 – Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of service
- G0365 – Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)
- G0372 – Physician service required to establish and document the need for a power mobility device
- G0378 – Hospital observation service, per hour
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.