AMA CPT® Assistant - 2009 Issue 1 (January)

Surgery/Urinary System, Radiology/Diagnostic Radiology (Diagnostic Imaging) (January 2009)

January 2009 page 7 Surgery: Urinary System, Radiology/Diagnostic Radiology, 50395, 74485 (Q&A) Question: When are codes 50395 and 74485 applicable? Is it appropriate to use these codes when an external tract (from the skin into the renal pelvis) is dilated to facilitate placement of a catheter or device(s)? Answer: CPT code 50395, Introduction of guide into renal pelvis and/or ureter with dilation to establish nephrostomy tract, percutaneous, describes the creation of a tract for an endourologic procedure. Commonly, an existing nephrostomy is converted to a large tract (such as 30 French) for endourological interventions. However, code 50395 is...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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