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M21.371 Foot drop, right foot
BackM21Other acquired deformities of limbsCategory10 →M21.0Valgus deformity, not elsewhere classifiedCategory5 →M21.00Valgus deformity, not elsewhere classified, unspecified siteCategoryM21.02Valgus deformity, not elsewhere classified, elbowCategory3 →M21.021Valgus deformity, not elsewhere classified, right elbowCategoryM21.022Valgus deformity, not elsewhere classified, left elbowCategoryM21.029Valgus deformity, not elsewhere classified, unspecified elbowCategoryM21.05Valgus deformity, not elsewhere classified, hipCategory3 →M21.051Valgus deformity, not elsewhere classified, right hipCategoryM21.052Valgus deformity, not elsewhere classified, left hipCategoryM21.059Valgus deformity, not elsewhere classified, unspecified hipCategoryM21.06Valgus deformity, not elsewhere classified, kneeCategory3 →M21.061Valgus deformity, not elsewhere classified, right kneeCategoryM21.062Valgus deformity, not elsewhere classified, left kneeCategoryM21.069Valgus deformity, not elsewhere classified, unspecified kneeCategoryM21.07Valgus deformity, not elsewhere classified, ankleCategory3 →M21.071Valgus deformity, not elsewhere classified, right ankleCategoryM21.072Valgus deformity, not elsewhere classified, left ankleCategoryM21.079Valgus deformity, not elsewhere classified, unspecified ankleCategoryM21.1Varus deformity, not elsewhere classifiedCategory5 →M21.10Varus deformity, not elsewhere classified, unspecified siteCategoryM21.12Varus deformity, not elsewhere classified, elbowCategory3 →M21.121Varus deformity, not elsewhere classified, right elbowCategoryM21.122Varus deformity, not elsewhere classified, left elbowCategoryM21.129Varus deformity, not elsewhere classified, unspecified elbowCategoryM21.15Varus deformity, not elsewhere classified, hipCategory3 →M21.151Varus deformity, not elsewhere classified, right hipCategoryM21.152Varus deformity, not elsewhere classified, left hipCategoryM21.159Varus deformity, not elsewhere classified, unspecified hipCategoryM21.16Varus deformity, not elsewhere classified, kneeCategory3 →M21.161Varus deformity, not elsewhere classified, right kneeCategoryM21.162Varus deformity, not elsewhere classified, left kneeCategoryM21.169Varus deformity, not elsewhere classified, unspecified kneeCategoryM21.17Varus deformity, not elsewhere classified, ankleCategory3 →M21.171Varus deformity, not elsewhere classified, right ankleCategoryM21.172Varus deformity, not elsewhere classified, left ankleCategoryM21.179Varus deformity, not elsewhere classified, unspecified ankleCategoryM21.2Flexion deformityCategory8 →M21.20Flexion deformity, unspecified siteCategoryM21.21Flexion deformity, shoulderCategory3 →M21.211Flexion deformity, right shoulderCategoryM21.212Flexion deformity, left shoulderCategoryM21.219Flexion deformity, unspecified shoulderCategoryM21.22Flexion deformity, elbowCategory3 →M21.221Flexion deformity, right elbowCategoryM21.222Flexion deformity, left elbowCategoryM21.229Flexion deformity, unspecified elbowCategoryM21.23Flexion deformity, wristCategory3 →M21.231Flexion deformity, right wristCategoryM21.232Flexion deformity, left wristCategoryM21.239Flexion deformity, unspecified wristCategoryM21.24Flexion deformity, finger jointsCategory3 →M21.241Flexion deformity, right finger jointsCategoryM21.242Flexion deformity, left finger jointsCategoryM21.249Flexion deformity, unspecified finger jointsCategoryM21.25Flexion deformity, hipCategory3 →M21.251Flexion deformity, right hipCategoryM21.252Flexion deformity, left hipCategoryM21.259Flexion deformity, unspecified hipCategoryM21.26Flexion deformity, kneeCategory3 →M21.261Flexion deformity, right kneeCategoryM21.262Flexion deformity, left kneeCategoryM21.269Flexion deformity, unspecified kneeCategoryM21.27Flexion deformity, ankle and toesCategory3 →M21.271Flexion deformity, right ankle and toesCategoryM21.272Flexion deformity, left ankle and toesCategoryM21.279Flexion deformity, unspecified ankle and toesCategoryM21.3Wrist or foot drop (acquired)Category2 →M21.33Wrist drop (acquired)Category3 →M21.331Wrist drop, right wristCategoryM21.332Wrist drop, left wristCategoryM21.339Wrist drop, unspecified wristCategoryM21.37Foot drop (acquired)Category3 →M21.371Foot drop, right footCategoryM21.372Foot drop, left footCategoryM21.379Foot drop, unspecified footCategoryM21.4Flat foot [pes planus] (acquired)Category3 →M21.40Flat foot [pes planus] (acquired), unspecified footCategoryM21.41Flat foot [pes planus] (acquired), right footCategoryM21.42Flat foot [pes planus] (acquired), left footCategoryM21.5Acquired clawhand, clubhand, clawfoot and clubfootCategory4 →M21.51Acquired clawhandCategory3 →M21.511Acquired clawhand, right handCategoryM21.512Acquired clawhand, left handCategoryM21.519Acquired clawhand, unspecified handCategoryM21.52Acquired clubhandCategory3 →M21.521Acquired clubhand, right handCategoryM21.522Acquired clubhand, left handCategoryM21.529Acquired clubhand, unspecified handCategoryM21.53Acquired clawfootCategory3 →M21.531Acquired clawfoot, right footCategoryM21.532Acquired clawfoot, left footCategoryM21.539Acquired clawfoot, unspecified footCategoryM21.54Acquired clubfootCategory3 →M21.541Acquired clubfoot, right footCategoryM21.542Acquired clubfoot, left footCategoryM21.549Acquired clubfoot, unspecified footCategoryM21.6Other acquired deformities of footCategory3 →M21.61BunionCategory3 →M21.611Bunion of right footCategoryM21.612Bunion of left footCategoryM21.619Bunion of unspecified footCategoryM21.62BunionetteCategory3 →M21.621Bunionette of right footCategoryM21.622Bunionette of left footCategoryM21.629Bunionette of unspecified footCategoryM21.6XOther acquired deformities of footCategory3 →M21.6X1Other acquired deformities of right footCategoryM21.6X2Other acquired deformities of left footCategoryM21.6X9Other acquired deformities of unspecified footCategoryM21.7Unequal limb length (acquired)Category5 →M21.70Unequal limb length (acquired), unspecified siteCategoryM21.72Unequal limb length (acquired), humerusCategory3 →M21.721Unequal limb length (acquired), right humerusCategoryM21.722Unequal limb length (acquired), left humerusCategoryM21.729Unequal limb length (acquired), unspecified humerusCategoryM21.73Unequal limb length (acquired), ulna and radiusCategory5 →M21.731Unequal limb length (acquired), right ulnaCategoryM21.732Unequal limb length (acquired), left ulnaCategoryM21.733Unequal limb length (acquired), right radiusCategoryM21.734Unequal limb length (acquired), left radiusCategoryM21.739Unequal limb length (acquired), unspecified ulna and radiusCategoryM21.75Unequal limb length (acquired), femurCategory3 →M21.751Unequal limb length (acquired), right femurCategoryM21.752Unequal limb length (acquired), left femurCategoryM21.759Unequal limb length (acquired), unspecified femurCategoryM21.76Unequal limb length (acquired), tibia and fibulaCategory5 →M21.761Unequal limb length (acquired), right tibiaCategoryM21.762Unequal limb length (acquired), left tibiaCategoryM21.763Unequal limb length (acquired), right fibulaCategoryM21.764Unequal limb length (acquired), left fibulaCategoryM21.769Unequal limb length (acquired), unspecified tibia and fibulaCategoryM21.8Other specified acquired deformities of limbsCategory5 →M21.80Other specified acquired deformities of unspecified limbCategoryM21.82Other specified acquired deformities of upper armCategory3 →M21.821Other specified acquired deformities of right upper armCategoryM21.822Other specified acquired deformities of left upper armCategoryM21.829Other specified acquired deformities of unspecified upper armCategoryM21.83Other specified acquired deformities of forearmCategory3 →M21.831Other specified acquired deformities of right forearmCategoryM21.832Other specified acquired deformities of left forearmCategoryM21.839Other specified acquired deformities of unspecified forearmCategoryM21.85Other specified acquired deformities of thighCategory3 →M21.851Other specified acquired deformities of right thighCategoryM21.852Other specified acquired deformities of left thighCategoryM21.859Other specified acquired deformities of unspecified thighCategoryM21.86Other specified acquired deformities of lower legCategory3 →M21.861Other specified acquired deformities of right lower legCategoryM21.862Other specified acquired deformities of left lower legCategoryM21.869Other specified acquired deformities of unspecified lower legCategoryM21.9Unspecified acquired deformity of limb and handCategory6 →M21.90Unspecified acquired deformity of unspecified limbCategoryM21.92Unspecified acquired deformity of upper armCategory3 →M21.921Unspecified acquired deformity of right upper armCategoryM21.922Unspecified acquired deformity of left upper armCategoryM21.929Unspecified acquired deformity of unspecified upper armCategoryM21.93Unspecified acquired deformity of forearmCategory3 →M21.931Unspecified acquired deformity of right forearmCategoryM21.932Unspecified acquired deformity of left forearmCategoryM21.939Unspecified acquired deformity of unspecified forearmCategoryM21.94Unspecified acquired deformity of handCategory3 →M21.941Unspecified acquired deformity of hand, right handCategoryM21.942Unspecified acquired deformity of hand, left handCategoryM21.949Unspecified acquired deformity of hand, unspecified handCategoryM21.95Unspecified acquired deformity of thighCategory3 →M21.951Unspecified acquired deformity of right thighCategoryM21.952Unspecified acquired deformity of left thighCategoryM21.959Unspecified acquired deformity of unspecified thighCategoryM21.96Unspecified acquired deformity of lower legCategory3 →M21.961Unspecified acquired deformity of right lower legCategoryM21.962Unspecified acquired deformity of left lower legCategoryM21.969Unspecified acquired deformity of unspecified lower legCategory
CategoryCODABLE
M21.371
Foot drop, right foot
- Chapter
- XIII · Diseases of the musculoskeletal system and connective tissue
- Section
- M20-M25
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.