G6004 — Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 6-10 mev
G6004 is a 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. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2025 and is not valid on new claims.
This code has been terminated
CMS terminated G6004 on December 31, 2025. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
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.
The CMS record for G6004
- Long descriptor
- 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
- Added
- January 1, 2015
- Terminated
- December 31, 2025
- BETOS
- P7A
- 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.
When CMS retired it.
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 G6004
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G6004 is not quite right, the correct code is very often within a few positions of it.
- G4034Speech language pathology mips specialty set
- G4035Thoracic surgery mips specialty set
- G4036Urgent care mips specialty set
- G4037Urology mips specialty set
- G4038Vascular surgery mips specialty set
- G6001Ultrasonic guidance for placement of radiation therapy fieldsterminated
- G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapyterminated
- G6003Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: up to 5 mevterminated
- G6005Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 11-19 mevterminated
- G6006Radiation treatment delivery, single treatment area, single port or parallel opposed ports, simple blocks or no blocks: 20 mev or greaterterminated
- G6007Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: up to 5 mevterminated
- G6008Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 6-10 mevterminated
- G6009Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 11-19 mevterminated
- G6010Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks: 20 mev or greaterterminated
- G6011Radiation treatment delivery, 3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; up to 5 mevterminated
- G6012Radiation treatment delivery, 3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mevterminated
Questions about G6004
What is HCPCS code G6004?
G6004 is a 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. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G6004?
The CMS HCPCS file marks G6004 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
Is G6004 still valid?
No. G6004 was terminated on December 31, 2025 and should not be used on new claims.