2007 ICD-9-CM Procedure 40.63 Closure of fistula of thoracic duct 40.63 is a specific code that can be used to specify a procedure 40.63 contains 3 index entries View the full Volume 3 40.* hierarchy Index entries containing 40.63: Closure -- see also Repair fistula cisterna chyli 40.63 lymphatic duct, left (thoracic) 40.63 thoracic duct 40.63