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X304
X304 – Minor teleradiotherapy - x-ray, 150 KVP or less
OHIP Laboratory Code — RADIATION ONCOLOGY · Schedule of Benefits
X304 is for minor teleradiotherapy using an x-ray of 150 KVP or less, payable per treatment visit.
When to Use
- Use X304 for superficial radiation therapy treatments where the machine output is calibrated at 150 KVP or less, such as treating basal cell carcinomas or keloids.
- Select X304 when the treatment plan requires low-energy photons, distinguishing it from X305 or X306 which are reserved for higher energy or orthovoltage therapy.
Common Pitfalls
- Billing X304 in conjunction with X313 for the same treatment session will trigger a rejection as these are considered mutually exclusive or bundled services.
- Submitting X304 for treatments exceeding 150 KVP is a common audit trigger; ensure the machine calibration documentation matches the code definition.
Billing Tips
- Ensure the treatment record clearly specifies the KVP settings used for each session to justify the use of X304 over higher-tier radiation codes.
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