| http://www.w3.org/ns/prov#value | - Off the top of my head, I can not really think of a procedure like this, but I am sure it exists.Bilateral procedures do need a modifier and -RT and -LT work the best, from what I am seeing.When you are doing a radiological procedure such as an MRI or CT of the right knee and then of the left knee, it is important to use the -RT and the -LT or the insurance company will consider the second CPT a duplic
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