M21 — ICD-10-CM Diagnosis Codes

• M21 Other acquired deformities of limbs
• M21.0 Valgus deformity, not elsewhere classified
• M21.00 Valgus deformity, not elsewhere classified, unspecified site billable
• M21.02 Valgus deformity, not elsewhere classified, elbow
• M21.021 Valgus deformity, not elsewhere classified, right elbow billable
• M21.022 Valgus deformity, not elsewhere classified, left elbow billable
• M21.029 Valgus deformity, not elsewhere classified, unspecified elbow billable
• M21.05 Valgus deformity, not elsewhere classified, hip
• M21.051 Valgus deformity, not elsewhere classified, right hip billable
• M21.052 Valgus deformity, not elsewhere classified, left hip billable
• M21.059 Valgus deformity, not elsewhere classified, unspecified hip billable
• M21.06 Valgus deformity, not elsewhere classified, knee
• M21.061 Valgus deformity, not elsewhere classified, right knee billable
• M21.062 Valgus deformity, not elsewhere classified, left knee billable
• M21.069 Valgus deformity, not elsewhere classified, unspecified knee billable
• M21.07 Valgus deformity, not elsewhere classified, ankle
• M21.071 Valgus deformity, not elsewhere classified, right ankle billable
• M21.072 Valgus deformity, not elsewhere classified, left ankle billable
• M21.079 Valgus deformity, not elsewhere classified, unspecified ankle billable
• M21.1 Varus deformity, not elsewhere classified
• M21.10 Varus deformity, not elsewhere classified, unspecified site billable
• M21.12 Varus deformity, not elsewhere classified, elbow
• M21.121 Varus deformity, not elsewhere classified, right elbow billable
• M21.122 Varus deformity, not elsewhere classified, left elbow billable
• M21.129 Varus deformity, not elsewhere classified, unspecified elbow billable
• M21.15 Varus deformity, not elsewhere classified, hip
• M21.151 Varus deformity, not elsewhere classified, right hip billable
• M21.152 Varus deformity, not elsewhere classified, left hip billable
• M21.159 Varus deformity, not elsewhere classified, unspecified hip billable
• M21.16 Varus deformity, not elsewhere classified, knee
• M21.161 Varus deformity, not elsewhere classified, right knee billable
• M21.162 Varus deformity, not elsewhere classified, left knee billable
• M21.169 Varus deformity, not elsewhere classified, unspecified knee billable
• M21.17 Varus deformity, not elsewhere classified, ankle
• M21.171 Varus deformity, not elsewhere classified, right ankle billable
• M21.172 Varus deformity, not elsewhere classified, left ankle billable
• M21.179 Varus deformity, not elsewhere classified, unspecified ankle billable
• M21.2 Flexion deformity
• M21.20 Flexion deformity, unspecified site billable
• M21.21 Flexion deformity, shoulder
• M21.211 Flexion deformity, right shoulder billable
• M21.212 Flexion deformity, left shoulder billable
• M21.219 Flexion deformity, unspecified shoulder billable
• M21.22 Flexion deformity, elbow
• M21.221 Flexion deformity, right elbow billable
• M21.222 Flexion deformity, left elbow billable
• M21.229 Flexion deformity, unspecified elbow billable
• M21.23 Flexion deformity, wrist
• M21.231 Flexion deformity, right wrist billable
• M21.232 Flexion deformity, left wrist billable
• M21.239 Flexion deformity, unspecified wrist billable
• M21.24 Flexion deformity, finger joints
• M21.241 Flexion deformity, right finger joints billable
• M21.242 Flexion deformity, left finger joints billable
• M21.249 Flexion deformity, unspecified finger joints billable
• M21.25 Flexion deformity, hip
• M21.251 Flexion deformity, right hip billable
• M21.252 Flexion deformity, left hip billable
• M21.259 Flexion deformity, unspecified hip billable
• M21.26 Flexion deformity, knee
• M21.261 Flexion deformity, right knee billable
• M21.262 Flexion deformity, left knee billable
• M21.269 Flexion deformity, unspecified knee billable
• M21.27 Flexion deformity, ankle and toes
• M21.271 Flexion deformity, right ankle and toes billable
• M21.272 Flexion deformity, left ankle and toes billable
• M21.279 Flexion deformity, unspecified ankle and toes billable
• M21.3 Wrist or foot drop (acquired)
• M21.33 Wrist drop (acquired)
• M21.331 Wrist drop, right wrist billable
• M21.332 Wrist drop, left wrist billable
• M21.339 Wrist drop, unspecified wrist billable
• M21.37 Foot drop (acquired)
• M21.371 Foot drop, right foot billable
• M21.372 Foot drop, left foot billable
• M21.379 Foot drop, unspecified foot billable
• M21.4 Flat foot [pes planus] (acquired)
• M21.40 Flat foot [pes planus] (acquired), unspecified foot billable
• M21.41 Flat foot [pes planus] (acquired), right foot billable
• M21.42 Flat foot [pes planus] (acquired), left foot billable
• M21.5 Acquired clawhand, clubhand, clawfoot and clubfoot
• M21.51 Acquired clawhand
• M21.511 Acquired clawhand, right hand billable
• M21.512 Acquired clawhand, left hand billable
• M21.519 Acquired clawhand, unspecified hand billable
• M21.52 Acquired clubhand
• M21.521 Acquired clubhand, right hand billable
• M21.522 Acquired clubhand, left hand billable
• M21.529 Acquired clubhand, unspecified hand billable
• M21.53 Acquired clawfoot
• M21.531 Acquired clawfoot, right foot billable
• M21.532 Acquired clawfoot, left foot billable
• M21.539 Acquired clawfoot, unspecified foot billable
• M21.54 Acquired clubfoot
• M21.541 Acquired clubfoot, right foot billable
• M21.542 Acquired clubfoot, left foot billable
• M21.549 Acquired clubfoot, unspecified foot billable
• M21.6 Other acquired deformities of foot
• M21.61 Bunion
• M21.611 Bunion of right foot billable
• M21.612 Bunion of left foot billable
• M21.619 Bunion of unspecified foot billable
• M21.62 Bunionette
• M21.621 Bunionette of right foot billable
• M21.622 Bunionette of left foot billable
• M21.629 Bunionette of unspecified foot billable
• M21.6X Other acquired deformities of foot
• M21.6X1 Other acquired deformities of right foot billable
• M21.6X2 Other acquired deformities of left foot billable
• M21.6X9 Other acquired deformities of unspecified foot billable
• M21.7 Unequal limb length (acquired)
• M21.70 Unequal limb length (acquired), unspecified site billable
• M21.72 Unequal limb length (acquired), humerus
• M21.721 Unequal limb length (acquired), right humerus billable
• M21.722 Unequal limb length (acquired), left humerus billable
• M21.729 Unequal limb length (acquired), unspecified humerus billable
• M21.73 Unequal limb length (acquired), ulna and radius
• M21.731 Unequal limb length (acquired), right ulna billable
• M21.732 Unequal limb length (acquired), left ulna billable
• M21.733 Unequal limb length (acquired), right radius billable
• M21.734 Unequal limb length (acquired), left radius billable
• M21.739 Unequal limb length (acquired), unspecified ulna and radius billable
• M21.75 Unequal limb length (acquired), femur
• M21.751 Unequal limb length (acquired), right femur billable
• M21.752 Unequal limb length (acquired), left femur billable
• M21.759 Unequal limb length (acquired), unspecified femur billable
• M21.76 Unequal limb length (acquired), tibia and fibula
• M21.761 Unequal limb length (acquired), right tibia billable
• M21.762 Unequal limb length (acquired), left tibia billable
• M21.763 Unequal limb length (acquired), right fibula billable
• M21.764 Unequal limb length (acquired), left fibula billable
• M21.769 Unequal limb length (acquired), unspecified tibia and fibula billable
• M21.8 Other specified acquired deformities of limbs
• M21.80 Other specified acquired deformities of unspecified limb billable
• M21.82 Other specified acquired deformities of upper arm
• M21.821 Other specified acquired deformities of right upper arm billable
• M21.822 Other specified acquired deformities of left upper arm billable
• M21.829 Other specified acquired deformities of unspecified upper arm billable
• M21.83 Other specified acquired deformities of forearm
• M21.831 Other specified acquired deformities of right forearm billable
• M21.832 Other specified acquired deformities of left forearm billable
• M21.839 Other specified acquired deformities of unspecified forearm billable
• M21.85 Other specified acquired deformities of thigh
• M21.851 Other specified acquired deformities of right thigh billable
• M21.852 Other specified acquired deformities of left thigh billable
• M21.859 Other specified acquired deformities of unspecified thigh billable
• M21.86 Other specified acquired deformities of lower leg
• M21.861 Other specified acquired deformities of right lower leg billable
• M21.862 Other specified acquired deformities of left lower leg billable
• M21.869 Other specified acquired deformities of unspecified lower leg billable
• M21.9 Unspecified acquired deformity of limb and hand
• M21.90 Unspecified acquired deformity of unspecified limb billable
• M21.92 Unspecified acquired deformity of upper arm
• M21.921 Unspecified acquired deformity of right upper arm billable
• M21.922 Unspecified acquired deformity of left upper arm billable
• M21.929 Unspecified acquired deformity of unspecified upper arm billable
• M21.93 Unspecified acquired deformity of forearm
• M21.931 Unspecified acquired deformity of right forearm billable
• M21.932 Unspecified acquired deformity of left forearm billable
• M21.939 Unspecified acquired deformity of unspecified forearm billable
• M21.94 Unspecified acquired deformity of hand
• M21.941 Unspecified acquired deformity of hand, right hand billable
• M21.942 Unspecified acquired deformity of hand, left hand billable
• M21.949 Unspecified acquired deformity of hand, unspecified hand billable
• M21.95 Unspecified acquired deformity of thigh
• M21.951 Unspecified acquired deformity of right thigh billable
• M21.952 Unspecified acquired deformity of left thigh billable
• M21.959 Unspecified acquired deformity of unspecified thigh billable
• M21.96 Unspecified acquired deformity of lower leg
• M21.961 Unspecified acquired deformity of right lower leg billable
• M21.962 Unspecified acquired deformity of left lower leg billable
• M21.969 Unspecified acquired deformity of unspecified lower leg billable