{"code":"M21","type":"category","title":"Other acquired deformities of limbs","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["acquired absence of limb (Z89.-)","congenital absence of limbs (Q71-Q73)","congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)"],"excludes2":["acquired deformities of fingers or toes (M20.-)","coxa plana (M91.2)","joints of the spine (M40-M54)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M21.0","M21.02","M21.021","M21.022","M21.029","M21.05","M21.051","M21.052","M21.059","M21.06","M21.061","M21.062","M21.069","M21.07","M21.071","M21.072","M21.079","M21.1","M21.10","M21.12","M21.121","M21.122","M21.129","M21.15","M21.151","M21.152","M21.159","M21.16","M21.161","M21.162","M21.169","M21.17","M21.171","M21.172","M21.179","M21.2","M21.20","M21.21","M21.211","M21.212","M21.219","M21.22","M21.221","M21.222","M21.229","M21.23","M21.231","M21.232","M21.239","M21.24","M21.241","M21.242","M21.249","M21.25","M21.251","M21.252","M21.259","M21.26","M21.261","M21.262","M21.269","M21.27","M21.271","M21.272","M21.279","M21.3","M21.33","M21.331","M21.332","M21.339","M21.37","M21.371","M21.372","M21.379","M21.4","M21.40","M21.41","M21.42","M21.5","M21.51","M21.511","M21.512","M21.519","M21.52","M21.521","M21.522","M21.529","M21.53","M21.531","M21.532","M21.539","M21.54","M21.541","M21.542","M21.549","M21.6","M21.61","M21.611","M21.612"],"inclusionTerms":[],"sibling_titles":{"code":"M21.612","title":"Bunion of left foot","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other acquired deformities of limbs is a non-billable ICD-10-CM category code (M21). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","officialDefinition":"Other acquired deformities of limbs is a non-billable ICD-10-CM category code (M21). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[{"code":"M21.0","title":"Valgus deformity, not elsewhere classified","description":"Valgus deformity, not elsewhere classified is a non-billable ICD-10-CM category code (M21.0). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.0-valgus-deformity-not-elsewhere-classified"},{"code":"M21.00","title":"Valgus deformity, not elsewhere classified, unspecified site","description":"Valgus deformity, not elsewhere classified, unspecified site is a billable ICD-10-CM diagnosis code (M21.00). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.00-valgus-deformity-not-elsewhere-classified-unspecified-site"},{"code":"M21.02","title":"Valgus deformity, not elsewhere classified, elbow","description":"Valgus deformity, not elsewhere classified, elbow is a non-billable ICD-10-CM category code (M21.02). A more specific billable subcode must be selected for claims submission. Inclusion terms: Cubitus valgus. Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.02-valgus-deformity-not-elsewhere-classified-elbow"},{"code":"M21.021","title":"Valgus deformity, not elsewhere classified, right elbow","description":"Valgus deformity, not elsewhere classified, right elbow is a billable ICD-10-CM diagnosis code (M21.021). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.021-valgus-deformity-not-elsewhere-classified-right-elbow"},{"code":"M21.022","title":"Valgus deformity, not elsewhere classified, left elbow","description":"Valgus deformity, not elsewhere classified, left elbow is a billable ICD-10-CM diagnosis code (M21.022). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.022-valgus-deformity-not-elsewhere-classified-left-elbow"},{"code":"M21.029","title":"Valgus deformity, not elsewhere classified, unspecified elbow","description":"Valgus deformity, not elsewhere classified, unspecified elbow is a billable ICD-10-CM diagnosis code (M21.029). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.029-valgus-deformity-not-elsewhere-classified-unspecified-elbow"},{"code":"M21.05","title":"Valgus deformity, not elsewhere classified, hip","description":"Valgus deformity, not elsewhere classified, hip is a non-billable ICD-10-CM category code (M21.05). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.05-valgus-deformity-not-elsewhere-classified-hip"},{"code":"M21.051","title":"Valgus deformity, not elsewhere classified, right hip","description":"Valgus deformity, not elsewhere classified, right hip is a billable ICD-10-CM diagnosis code (M21.051). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.051-valgus-deformity-not-elsewhere-classified-right-hip"},{"code":"M21.052","title":"Valgus deformity, not elsewhere classified, left hip","description":"Valgus deformity, not elsewhere classified, left hip is a billable ICD-10-CM diagnosis code (M21.052). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.052-valgus-deformity-not-elsewhere-classified-left-hip"},{"code":"M21.059","title":"Valgus deformity, not elsewhere classified, unspecified hip","description":"Valgus deformity, not elsewhere classified, unspecified hip is a billable ICD-10-CM diagnosis code (M21.059). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.059-valgus-deformity-not-elsewhere-classified-unspecified-hip"},{"code":"M21.06","title":"Valgus deformity, not elsewhere classified, knee","description":"Valgus deformity, not elsewhere classified, knee is a non-billable ICD-10-CM category code (M21.06). A more specific billable subcode must be selected for claims submission. Inclusion terms: Genu valgum; Knock knee. Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.06-valgus-deformity-not-elsewhere-classified-knee"},{"code":"M21.061","title":"Valgus deformity, not elsewhere classified, right knee","description":"Valgus deformity, not elsewhere classified, right knee is a billable ICD-10-CM diagnosis code (M21.061). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.061-valgus-deformity-not-elsewhere-classified-right-knee"},{"code":"M21.062","title":"Valgus deformity, not elsewhere classified, left knee","description":"Valgus deformity, not elsewhere classified, left knee is a billable ICD-10-CM diagnosis code (M21.062). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.062-valgus-deformity-not-elsewhere-classified-left-knee"},{"code":"M21.069","title":"Valgus deformity, not elsewhere classified, unspecified knee","description":"Valgus deformity, not elsewhere classified, unspecified knee is a billable ICD-10-CM diagnosis code (M21.069). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.069-valgus-deformity-not-elsewhere-classified-unspecified-knee"},{"code":"M21.07","title":"Valgus deformity, not elsewhere classified, ankle","description":"Valgus deformity, not elsewhere classified, ankle is a non-billable ICD-10-CM category code (M21.07). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.07-valgus-deformity-not-elsewhere-classified-ankle"},{"code":"M21.071","title":"Valgus deformity, not elsewhere classified, right ankle","description":"Valgus deformity, not elsewhere classified, right ankle is a billable ICD-10-CM diagnosis code (M21.071). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.071-valgus-deformity-not-elsewhere-classified-right-ankle"},{"code":"M21.072","title":"Valgus deformity, not elsewhere classified, left ankle","description":"Valgus deformity, not elsewhere classified, left ankle is a billable ICD-10-CM diagnosis code (M21.072). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.072-valgus-deformity-not-elsewhere-classified-left-ankle"},{"code":"M21.079","title":"Valgus deformity, not elsewhere classified, unspecified ankle","description":"Valgus deformity, not elsewhere classified, unspecified ankle is a billable ICD-10-CM diagnosis code (M21.079). Excludes1 (not coded here): metatarsus valgus (Q66.6); talipes calcaneovalgus (Q66.4-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.079-valgus-deformity-not-elsewhere-classified-unspecified-ankle"},{"code":"M21.1","title":"Varus deformity, not elsewhere classified","description":"Varus deformity, not elsewhere classified is a non-billable ICD-10-CM category code (M21.1). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.1-varus-deformity-not-elsewhere-classified"},{"code":"M21.10","title":"Varus deformity, not elsewhere classified, unspecified site","description":"Varus deformity, not elsewhere classified, unspecified site is a billable ICD-10-CM diagnosis code (M21.10). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.10-varus-deformity-not-elsewhere-classified-unspecified-site"},{"code":"M21.12","title":"Varus deformity, not elsewhere classified, elbow","description":"Varus deformity, not elsewhere classified, elbow is a non-billable ICD-10-CM category code (M21.12). A more specific billable subcode must be selected for claims submission. Inclusion terms: Cubitus varus, elbow. Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.12-varus-deformity-not-elsewhere-classified-elbow"},{"code":"M21.121","title":"Varus deformity, not elsewhere classified, right elbow","description":"Varus deformity, not elsewhere classified, right elbow is a billable ICD-10-CM diagnosis code (M21.121). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.121-varus-deformity-not-elsewhere-classified-right-elbow"},{"code":"M21.122","title":"Varus deformity, not elsewhere classified, left elbow","description":"Varus deformity, not elsewhere classified, left elbow is a billable ICD-10-CM diagnosis code (M21.122). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.122-varus-deformity-not-elsewhere-classified-left-elbow"},{"code":"M21.129","title":"Varus deformity, not elsewhere classified, unspecified elbow","description":"Varus deformity, not elsewhere classified, unspecified elbow is a billable ICD-10-CM diagnosis code (M21.129). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.129-varus-deformity-not-elsewhere-classified-unspecified-elbow"},{"code":"M21.15","title":"Varus deformity, not elsewhere classified, hip","description":"Varus deformity, not elsewhere classified, hip is a non-billable ICD-10-CM category code (M21.15). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.15-varus-deformity-not-elsewhere-classified-hip"},{"code":"M21.151","title":"Varus deformity, not elsewhere classified, right hip","description":"Varus deformity, not elsewhere classified, right hip is a billable ICD-10-CM diagnosis code (M21.151). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.151-varus-deformity-not-elsewhere-classified-right-hip"},{"code":"M21.152","title":"Varus deformity, not elsewhere classified, left hip","description":"Varus deformity, not elsewhere classified, left hip is a billable ICD-10-CM diagnosis code (M21.152). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.152-varus-deformity-not-elsewhere-classified-left-hip"},{"code":"M21.159","title":"Varus deformity, not elsewhere classified, unspecified hip","description":"Varus deformity, not elsewhere classified, unspecified hip is a billable ICD-10-CM diagnosis code (M21.159). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.159-varus-deformity-not-elsewhere-classified-unspecified-hip"},{"code":"M21.16","title":"Varus deformity, not elsewhere classified, knee","description":"Varus deformity, not elsewhere classified, knee is a non-billable ICD-10-CM category code (M21.16). A more specific billable subcode must be selected for claims submission. Inclusion terms: Bow leg; Genu varum. Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.16-varus-deformity-not-elsewhere-classified-knee"},{"code":"M21.161","title":"Varus deformity, not elsewhere classified, right knee","description":"Varus deformity, not elsewhere classified, right knee is a billable ICD-10-CM diagnosis code (M21.161). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.161-varus-deformity-not-elsewhere-classified-right-knee"},{"code":"M21.162","title":"Varus deformity, not elsewhere classified, left knee","description":"Varus deformity, not elsewhere classified, left knee is a billable ICD-10-CM diagnosis code (M21.162). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.162-varus-deformity-not-elsewhere-classified-left-knee"},{"code":"M21.169","title":"Varus deformity, not elsewhere classified, unspecified knee","description":"Varus deformity, not elsewhere classified, unspecified knee is a billable ICD-10-CM diagnosis code (M21.169). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.169-varus-deformity-not-elsewhere-classified-unspecified-knee"},{"code":"M21.17","title":"Varus deformity, not elsewhere classified, ankle","description":"Varus deformity, not elsewhere classified, ankle is a non-billable ICD-10-CM category code (M21.17). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.17-varus-deformity-not-elsewhere-classified-ankle"},{"code":"M21.171","title":"Varus deformity, not elsewhere classified, right ankle","description":"Varus deformity, not elsewhere classified, right ankle is a billable ICD-10-CM diagnosis code (M21.171). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.171-varus-deformity-not-elsewhere-classified-right-ankle"},{"code":"M21.172","title":"Varus deformity, not elsewhere classified, left ankle","description":"Varus deformity, not elsewhere classified, left ankle is a billable ICD-10-CM diagnosis code (M21.172). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.172-varus-deformity-not-elsewhere-classified-left-ankle"},{"code":"M21.179","title":"Varus deformity, not elsewhere classified, unspecified ankle","description":"Varus deformity, not elsewhere classified, unspecified ankle is a billable ICD-10-CM diagnosis code (M21.179). Excludes1 (not coded here): metatarsus varus (Q66.22-); tibia vara (M92.51-); acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.179-varus-deformity-not-elsewhere-classified-unspecified-ankle"},{"code":"M21.2","title":"Flexion deformity","description":"Flexion deformity is a non-billable ICD-10-CM category code (M21.2). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.2-flexion-deformity"},{"code":"M21.20","title":"Flexion deformity, unspecified site","description":"Flexion deformity, unspecified site is a billable ICD-10-CM diagnosis code (M21.20). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.20-flexion-deformity-unspecified-site"},{"code":"M21.21","title":"Flexion deformity, shoulder","description":"Flexion deformity, shoulder is a non-billable ICD-10-CM category code (M21.21). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.21-flexion-deformity-shoulder"},{"code":"M21.211","title":"Flexion deformity, right shoulder","description":"Flexion deformity, right shoulder is a billable ICD-10-CM diagnosis code (M21.211). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.211-flexion-deformity-right-shoulder"},{"code":"M21.212","title":"Flexion deformity, left shoulder","description":"Flexion deformity, left shoulder is a billable ICD-10-CM diagnosis code (M21.212). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.212-flexion-deformity-left-shoulder"},{"code":"M21.219","title":"Flexion deformity, unspecified shoulder","description":"Flexion deformity, unspecified shoulder is a billable ICD-10-CM diagnosis code (M21.219). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.219-flexion-deformity-unspecified-shoulder"},{"code":"M21.22","title":"Flexion deformity, elbow","description":"Flexion deformity, elbow is a non-billable ICD-10-CM category code (M21.22). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.22-flexion-deformity-elbow"},{"code":"M21.221","title":"Flexion deformity, right elbow","description":"Flexion deformity, right elbow is a billable ICD-10-CM diagnosis code (M21.221). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.221-flexion-deformity-right-elbow"},{"code":"M21.222","title":"Flexion deformity, left elbow","description":"Flexion deformity, left elbow is a billable ICD-10-CM diagnosis code (M21.222). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.222-flexion-deformity-left-elbow"},{"code":"M21.229","title":"Flexion deformity, unspecified elbow","description":"Flexion deformity, unspecified elbow is a billable ICD-10-CM diagnosis code (M21.229). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.229-flexion-deformity-unspecified-elbow"},{"code":"M21.23","title":"Flexion deformity, wrist","description":"Flexion deformity, wrist is a non-billable ICD-10-CM category code (M21.23). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":false,"slug":"m21.23-flexion-deformity-wrist"},{"code":"M21.231","title":"Flexion deformity, right wrist","description":"Flexion deformity, right wrist is a billable ICD-10-CM diagnosis code (M21.231). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.231-flexion-deformity-right-wrist"},{"code":"M21.232","title":"Flexion deformity, left wrist","description":"Flexion deformity, left wrist is a billable ICD-10-CM diagnosis code (M21.232). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.232-flexion-deformity-left-wrist"},{"code":"M21.239","title":"Flexion deformity, unspecified wrist","description":"Flexion deformity, unspecified wrist is a billable ICD-10-CM diagnosis code (M21.239). Excludes1 (not coded here): acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74). Excludes2 (not included here): acquired deformities of fingers or toes (M20.-); coxa plana (M91.2); joints of the spine (M40-M54).","isBillable":true,"slug":"m21.239-flexion-deformity-unspecified-wrist"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}