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ICD-10-CM
13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
M00-M25 Arthropathies (M00-M25) Includes: Disorders affecting predominantly peripheral (limb) joints
M20-M25 Other joint disorders (M20-M25)
M21 Other acquired deformities of limbs
M21 Other acquired deformities of limbs
M21.0 Valgus deformity, not elsewhere classified
M21.00-M21.079
M21.1 Varus deformity, not elsewhere classified
M21.10-M21.179
M21.2 Flexion deformity
M21.20-M21.279
M21.3 Wrist or foot drop (acquired)
M21.331-M21.379
M21.4 Flat foot [pes planus] (acquired) Excludes1: congenital pes planus (
M21.40-M21.42
M21.5 Acquired clawhand, clubhand, clawfoot and clubfoot
M21.511-M21.549
M21.6 Other acquired deformities of foot
M21.611-M21.6X9
M21.7 Unequal limb length (acquired) Notes: The site used should correspond to the shorter limb
M21.70-M21.769
M21.8 Other specified acquired deformities of limbs Excludes2: coxa plana (
M21.80-M21.869
M21.9 Unspecified acquired deformity of limb and hand
M21.90-M21.969
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