Question:
What is the difference between exchange and conversion for biliary drainage?
Answer:
An exchange refers to changing out the existing catheter for the same type of device or switching an existing internal-external catheter to an external catheter. A conversion refers to switching an existing external catheter to an internal-external catheter. If either of these types of existing catheters are switched for a completely internal drainage device, this is neither an exchange or a conversion; this is a stent placement through an existing access.
CPT® copyright 2024 American Medical Association (AMA). All rights reserved.
Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
CPT is a registered trademark of the American Medical Association.
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