ICD-10-CM > Q00-QA0 > Q65-Q79 > Q72 > Q72.6 Q72.6 Longitudinal reduction defect of fibula Non-Billable/Non-Specific Codes Q72.60Longitudinal reduction defect of unspecified fibulaQ72.61Longitudinal reduction defect of right fibulaQ72.62Longitudinal reduction defect of left fibulaQ72.63Longitudinal reduction defect of fibula, bilateral