Reader Question:
Dosimetry
Published on Fri Dec 21, 2012
Question: Are there clear-cut rules established as to how many of code 77300 (basic radiation dosimetry calculation, central axis depth dose, TDF, NSD, gap calculation, off axis factor, tissue inhomogeneity factors, as required during course of treatment, only when prescribed by the treating physician) can be billed with a simulation? Can you bill for each field of interest?
Iowa Reader
Answer: According to CPT Assistant, October 1997, this service may be coded and billed as many times as medically necessary during the course of treatment. Each service should be documented in the patient chart, including physician sign-off and date, to support the billing of a professional component for the service. According to Medicare guidelines � and most third-party payers � the radiation oncologist is responsible for ordering the dosimetry services and approving the calculations.
In my experience, most payers allow code [...]
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