G0341 — Percutaneous islet cell transplant, includes portal vein catheterization and infusion
G0341 is a HCPCS Level II code for percutaneous islet cell transplant, includes portal vein catheterization and infusion. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusA
Active code. Paid separately under the physician fee schedule.
- Work RVU
- 6.81
- PE (non-facility)
- 39.52
- PE (facility)
- 0.80
- Malpractice RVU
- 0.89
Global period: 000
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of G0341 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 1 unit MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
- outpatient
- 1 unit MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for G0341
- Long descriptor
- Percutaneous islet cell transplant, includes portal vein catheterization and infusion
- Short descriptor
- Percutaneous islet celltrans
- Added
- October 1, 2004
- BETOS
- P1G
- Pricing indicator
- 13 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established by carriers — not otherwise classified, individual determination, or carrier discretion.
Codes adjacent to G0341
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G0341 is not quite right, the correct code is very often within a few positions of it.
- G0327Colorectal cancer screening; blood-based biomarker
- G0328Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous
- G0329Electromagnetic 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
- G0330Facility 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
- G0333Pharmacy dispensing fee for inhalation drug(s); initial 30-day supply as a beneficiary
- G0337Hospice evaluation and counseling services, pre-election
- G0339Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment
- G0340Image-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
- G0342Laparoscopy for islet cell transplant, includes portal vein catheterization and infusion
- G0343Laparotomy for islet cell transplant, includes portal vein catheterization and infusion
- G0364Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of serviceterminated
- G0365Vessel 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)terminated
- G0372Physician service required to establish and document the need for a power mobility device
- G0378Hospital observation service, per hour
- G0379Direct admission of patient for hospital observation care
- G0380Level 1 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment)
Questions about G0341
What is HCPCS code G0341?
G0341 is a HCPCS Level II code for percutaneous islet cell transplant, includes portal vein catheterization and infusion. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G0341?
The CMS HCPCS file marks G0341 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is G0341 paid under the physician fee schedule?
G0341 carries PFS status code A. Active code. Paid separately under the physician fee schedule.