2007 ICD-9-CM Procedure 20.94 Injection of tympanum 20.94 is a specific code that can be used to specify a procedure 20.94 contains 1 index entry View the full Volume 3 20.* hierarchy Index entries containing 20.94: Injection (into) (hypodermically) (intramuscularly) (intravenously) (acting locally or systemically) tympanum 20.94