2007 ICD-9-CM Procedure 42.7 Esophagomyotomy 42.7 is a specific code that can be used to specify a procedure 42.7 contains 8 index entries View the full Volume 3 42.* hierarchy Index entries containing 42.7: Cardiomyotomy 42.7 Diverticulectomy esophagomyotomy 42.7 Division sphincter cardiac 42.7 Esophagogastromyotomy 42.7 Esophagomyotomy 42.7 Heller operation (esophagomyotomy) 42.7 Myotomy 83.02 esophagus 42.7 Operation Heller (esophagomyotomy) 42.7