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CPT Codes

This new procedure does not fit in exactly with any current "Current Procedural Terminology" (CPT) code from the American Medical Association Press since obviously this is a new concept. How this new procedure fits in with your existing procedures and whether Dosimetry Check might replace an existing procedure are considerations to be made. We are not experts in billing procedures, but we can suggest several possibilities to begin consideration for billing this quality control and dose confirming procedure:

77331 Special Dosimetry. Normally used for a point measurement, but here we are using film dosimetry to determine the dose to the entire patient volume.

77336 Continuing Medical Physics Consultation, includes quality assurance of dose dosimetry.

77370 Special Medical Radiation Physics Consultation.

77261, 77262, 77263 Simple, Intermediate, and Complex treatment planning will have all ready been generated since Dosimetry Check is used to check the delivery and correctness of an existing plan. However, the involvment here might justify a separate charge.

77280, 77285, 77290 Simple, Intermediate, and Complex Simulation will most likely have been charged. The dry run on the accelerator and analysis of the results might justify another charge.

77295 Three Dimensional may apply since a 3d isodose distribution and difference volume histograms are generated.

77300 Basic Dosimetry Calculation might be used particularly if the treatment plan produced monitor units that Dosimetry Check is confirming.

77305, 77310, 77315 Simple, Intermediate, and Complex Isodose Plan may be billable for Dosimetry Check.

Lastly, one has to consider the cost of making a mistake that Dosimetry Check may prevent.

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