2007 ICD-9-CM Procedure 77.21 Wedge osteotomy, scapula, clavicle, and thorax [ribs and sternum] 77.21 is a specific code that can be used to specify a procedure 77.21 contains 3 index entries View the full Volume 3 77.* hierarchy Index entries containing 77.21: Osteotomy (adduction) (angulation) (block) (derotational) (displacement) (partial) (rotational) 77.30 clavicle 77.31 wedge 77.21 scapula 77.31 wedge 77.21 thorax (ribs) (sternum) 77.31 wedge 77.21