The CPT Code 84540 is the code used for Pathology and Laboratory / chemistry. The general guidance for this code is that it is used for urea nitrogen level to assess kidney function. Below you will find cost information associated with this procedure based upon the a set of publicly available data which details all doctors who billed Medicare for this code. These costs are a guideline of what you may be charged for this particular CPT code, but of course your results may vary.
Minor Category Description: chemistry
CPT Code: 84540
Description: Urea nitrogen level to assess kidney function
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