2007 ICD-9-CM Procedure 42.56 Other intrathoracic esophagocolostomy 42.56 is a specific code that can be used to specify a procedure 42.56 contains 3 index entries View the full Volume 3 42.* hierarchy 42.56 also known as: Esophagocolostomy NOS Index entries containing 42.56: Anastomosis esophagocolic (intrathoracic) NEC 42.56 with interposition 42.55 antesternal or antethoracic NEC 42.66 with interposition 42.65 esophagus (intrapleural) (intrathoracic) (retrosternal) NEC 42.59 to intestinal segment (intrathoracic) NEC 42.54 colon (intrathoracic) NEC 42.56 with interposition 42.55 antesternal or antethoracic 42.66 with interposition 42.65 Esophagocolostomy (intrathoracic) NEC 42.56 with interposition of colon 42.55 antesternal or antethoracic NEC 42.66 with interposition of colon 42.65