{"code":"M21.12","type":"code","title":"Varus deformity, not elsewhere classified, elbow","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["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":["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":["M21.121","M21.122","M21.129"],"inclusionTerms":["Cubitus varus, elbow"],"sibling_titles":{"code":"M21.129","title":"Varus deformity, not elsewhere classified, unspecified elbow","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"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).","officialDefinition":"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).","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":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}