G6004 HCPCS code: Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 6-10 mev
G6004 is the HCPCS Level II code for radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 6-10 mev. In 2024 Medicare paid an average of $98.08 per service for G6004 across 1,352 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. Medicare volume rose 33% from 2022 to 2024 (1,018 to 1,352 services). In 2024, about 108 clinicians billed Medicare for G6004 for 158 beneficiaries; Arizona, California, South Carolina accounted for 88% of services.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 13 |
| BETOS category | P7A |
| Added | 2015-01-01 |
| Last action effective | 2015-01-01 |
Who bills G6004 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 108 |
| Medicare beneficiaries | 158 |
| States with claims | 5 |
| Share of services in top 3 states (Arizona, California, South Carolina) | 88% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for G6004, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 1,018 | 108 | $139.17 | $111.05 |
| 2023 | 1,494 | 149 | $128.19 | $102.22 |
| 2024 | 1,352 | 158 | $123.62 | $98.08 |
States with the most G6004 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Arizona | 610 | $94.89 |
| California | 161 | $114.86 |
| South Carolina | 105 | $96.78 |
| Florida | 67 | $96.04 |
| Texas | 58 | $100.39 |
What changed for G6004
- 2015-01-01: G6004 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code G6004?
G6004 is the HCPCS Level II code for radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 6-10 mev. Short descriptor: "Radiation treatment delivery".
How much does Medicare pay for G6004?
In 2024, the average Medicare payment was $98.08 per service (average allowed $123.62).
Does Medicare cover G6004?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related G60 codes
- G6001 — Ultrasonic guidance for placement of radiation therapy fields
- G6002 — Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy
- G6003 — Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: up to 5 mev
- G6005 — Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 11-19 mev
- G6006 — Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 20 mev or greater
- G6007 — Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: up to 5 mev
- G6008 — Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 6-10 mev
- G6009 — Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 11-19 mev
- G6010 — Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 20 mev or greater
- G6011 — Radiation treatment delivery, 3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mev
- G6012 — Radiation treatment delivery, 3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev
- G6013 — Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev
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Next steps
- Run a reimbursement report for a device billed under G6004
- Watch G6004 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G6004
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.