2007 ICD-9-CM Procedure 82.04 Incision and drainage of palmar or thenar space 82.04 is a specific code that can be used to specify a procedure 82.04 contains 6 index entries View the full Volume 3 82.* hierarchy Index entries containing 82.04: Drainage midpalmar space 82.04 palmar space (middle) 82.04 thenar space 82.04 Incision (and drainage) midpalmar space 82.04 palmar space (middle) 82.04 thenar space 82.04