2007 ICD-9-CM Procedure 56.33 Closed endoscopic biopsy of ureter 56.33 is a specific code that can be used to specify a procedure 56.33 contains 5 index entries View the full Volume 3 56.* hierarchy 56.33 also known as: Cystourethroscopy with ureteral biopsy Transurethral biopsy of ureter Ureteral endoscopy with biopsy through ureterotomy Ureteroscopy with biopsy 56.33 excludes: percutaneous biopsy of ureter (56.32) Index entries containing 56.33: Biopsy ureter 56.33 closed (percutaneous) 56.32 endoscopic 56.33 open 56.34 transurethral 56.33 Cystourethroscopy 57.32 with biopsy ureter 56.33 Ureteroscopy 56.31 with biopsy 56.33