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2025 CPT code 51600

Injection procedure for cystography or voiding urethrocystography. For radiological supervision and interpretation, see 74430, 74455.

This code represents only the injection procedure. Always report the appropriate radiological supervision and interpretation codes (74430, 74455) separately.

Modifiers may be applicable to indicate specific circumstances, such as increased procedural services (modifier 22) or multiple procedures (modifier 51).

Medical necessity is established by the patient's symptoms and clinical findings that suggest a need for bladder or urethral evaluation.Documentation should clearly link the procedure to the patient's condition.

A physician performs the injection procedure, typically a radiologist or urologist. The physician inserts the catheter, injects the contrast material, and ensures proper patient positioning for imaging.

In simple words: This procedure involves injecting a special dye into the bladder so that it can be seen on an X-ray.This helps doctors examine the bladder and how it works during urination.The actual X-ray reading is billed separately.

This code represents the injection procedure for cystography (examination of the bladder) or voiding urethrocystography (examination of the bladder and urethra during urination). It involves inserting a catheter into the bladder through the urethra and injecting a contrast agent.Radiological supervision and interpretation are reported separately using codes 74430 and 74455.

Example 1: A child with recurrent urinary tract infections undergoes a voiding cystourethrogram to assess for vesicoureteral reflux (urine flowing back from the bladder to the kidneys)., An adult with urinary incontinence undergoes cystography to evaluate bladder function and identify any structural abnormalities., A patient with suspected bladder trauma undergoes cystography to check for leaks or ruptures.

Documentation should include the reason for the procedure, details of the injection procedure, and any complications. Reports from the radiologist interpreting the images (74430 and 74455) should also be included.

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