2007 ICD-9-CM Procedure 84.7 Application of external fixator device 84.7 is a non-specific code that should not be used to specify a procedure View the full Volume 3 84.* hierarchy Code also any primary procedure performed: application of external fixator device (78.10, 78.12-78.13, 78.15, 78.17- 78.19) reduction of fracture and dislocation (79.00-79.89)