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mild stenosis necessity

Date: Sep 30, 2022

Question:

I have a physician who would like to plasty AV graft mild stenosis and wants to bill for it. Rad states that this is his medical necessity: “A mild grade stenosis is present which could become severe and cause further complications if not treated at this time. For this reason, I believe it is medically necessary to treat the stenosis with angioplasty.” I am telling rad this is prophylactic and cannot be billed. Am I correct? Should he just be doing US until he does have a 50%> stenosis? 

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