2007 ICD-9-CM Procedure 23.71 Root canal therapy with irrigation 23.71 is a specific code that can be used to specify a procedure 23.71 contains 2 index entries View the full Volume 3 23.* hierarchy Index entries containing 23.71: Root canal (tooth) (therapy) 23.70 with irrigation 23.71 Therapy root canal 23.70 with irrigation 23.71