Q74.9 Unspecified congenital malformation of limb(s)

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Congenital anomaly of limb(s) NOS

Applies from Q74 Other congenital malformations of limb(s)

Excludes1 (never code together)

• polydactyly (Q69.-)
• reduction defect of limb (Q71-Q73)
• syndactyly (Q70.-)

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 755.50 Unspecified anomaly of upper limb (approximate)
• 755.9 Unspecified anomaly of unspecified limb (approximate)

Code annotations containing back-references to Q74.9

Back-references to Q74

• Type 1 Excludes: M20 Acquired deformities of fingers and toes ("congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)")
• Type 1 Excludes: M21 Other acquired deformities of limbs ("congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)")
• Type 1 Excludes: M24.3 Pathological dislocation of joint, not elsewhere classified ("congenital dislocation or displacement of joint- see congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")
• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")

Diagnosis Index entries for Q74.9

• Anomaly, anomalous (congenital) (unspecified type) › flexion (joint) NOS
• Anomaly, anomalous (congenital) (unspecified type) › joint
• Anomaly, anomalous (congenital) (unspecified type) › limb
• Arthrodysplasia
• Deformity › flexion (joint) (acquired) › congenital NOS
• Deformity › limb (acquired) › congenital, except reduction deformity
• Deformity › rotation (joint) (acquired) › congenital
• Malformation (congenital) › joint

Nearby codes

• Q74.0 Other congenital malformations of upper limb(s), including shoulder girdle
• Q74.1 Congenital malformation of knee
• Q74.2 Other congenital malformations of lower limb(s), including pelvic girdle
• Q74.3 Arthrogryposis multiplex congenita
• Q74.8 Other specified congenital malformations of limb(s)
• Q74.9 Unspecified congenital malformation of limb(s) (this code)