2007 ICD-9-CM Procedure 42.19 Other external fistulization of esophagus 42.19 is a specific code that can be used to specify a procedure 42.19 contains 2 index entries View the full Volume 3 42.* hierarchy 42.19 also known as: Thoracic esophagostomy Code also any resection (42.40-42.42) Index entries containing 42.19: Esophagostomy 42.10 thoracic 42.19 Fistulization esophagus, external 42.10 specified technique NEC 42.19