2007 ICD-9-CM Procedure 55.23 Closed [percutaneous] [needle] biopsy of kidney 55.23 is a specific code that can be used to specify a procedure 55.23 contains 4 index entries View the full Volume 3 55.* hierarchy 55.23 also known as: Endoscopic biopsy via existing nephrostomy, nephrotomy, pyelostomy, or pyelotomy Index entries containing 55.23: Aspiration kidney (cyst) (pelvis) (percutaneous) (therapeutic) 55.92 diagnostic 55.23 Biopsy kidney 55.23 closed 55.23 open 55.24 percutaneous (aspiration) (needle) 55.23