Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes Q00-Q99 – Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) > 2024 ICD-10-CM Codes Q65-Q79 – Congenital malformations and deformations of the musculoskeletal system (Q65-Q79) > 2024 ICD-10-CM Codes Q71 – Reduction defects of upper limb (Q71) > 2024 ICD-10-CM Codes Q71.9 – Unspecified reduction defect of upper limb (Q71.9)