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CPT 51705: Simple Bladder Tube Exchange
CPT code 51705 represents a simple exchange of a bladder drainage tube: removal of a previously placed tube with immediate replacement through the same incision. This code covers a common urologic procedure performed when catheter replacement is necessary without creation of a new tract or complex reconstruction. Nationally, accurate coding of 51705 matters for appropriate procedure tracking, encounter classification, and claims processing for outpatient urologic services.
Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context and typical sites of service, guidance on documentation elements that support billing for a straightforward tube exchange, and benchmarking commentary where available. The publication also summarizes common modifiers observed with similar minor procedures, outlines potential coding pitfalls, and highlights the relevance of correct CPT code selection to payment and utilization monitoring. Practical information aims to help billing staff, clinicians, and compliance officers ensure consistency in reporting this procedure across settings.
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Billing Code Overview
CPT code 51705 describes a procedure in which a provider performs a simple removal of an existing bladder drainage tube and immediately replaces it with a new tube through the same incision. The service type is a minor urologic procedure for bladder catheter replacement. The typical site of service is an outpatient clinic, procedure room, ambulatory surgical center, or hospital outpatient department where minor urologic tube exchanges are performed.
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