ICD-10-CM > Q00-QA0 > Q65-Q79 > Q71 > Q71.9 Q71.9 Unspecified reduction defect of upper limb Non-Billable/Non-Specific Codes Q71.90Unspecified reduction defect of unspecified upper limbQ71.91Unspecified reduction defect of right upper limbQ71.92Unspecified reduction defect of left upper limbQ71.93Unspecified reduction defect of upper limb, bilateral