Below is a list summarizing the CPT codes for externally accessible renal pelvis catheter introduction procedures.
CPT Code 50387
CPT 50387 describes removing and replacing an externally accessible nephroureteral catheter, such as an external or internal stent, which requires fluoroscopic guidance, radiological supervision, and interpretation.
CPT Code 50389
CPT 50389 describes the removal of a nephrostomy tube, requiring fluoroscopic guidance (e.g., with concurrent indwelling ureteral stent).