2007 ICD-9-CM Procedure 55.11 Pyelotomy 55.11 is a specific code that can be used to specify a procedure 55.11 contains 10 index entries View the full Volume 3 55.* hierarchy 55.11 also known as: Exploration of renal pelvis Pyelolithotomy Index entries containing 55.11: Calycotomy (renal) 55.11 Drainage kidney (by incision) 55.01 pelvis (by incision) 55.11 Exploration -- see also Incision kidney 55.01 pelvis 55.11 Incision (and drainage) kidney 55.01 pelvis 55.11 renal pelvis 55.11 Pelviolithotomy 55.11 Pyelolithotomy 55.11 Pyelotomy 55.11 Removal -- see also Excision calculus kidney (by incision) 55.01 renal pelvis (by incision) 55.11 percutaneous nephostomy 55.03 with fragmentation 55.04 transurethral 56.0 foreign body NEC -- see also Incision, by site 98.20 kidney (transurethral) (by endoscopy) 56.0 pelvis (transurethral) 56.0 by incision 55.11