{"code":"Q66.229","type":"code","title":"Congenital metatarsus adductus, unspecified foot","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["reduction defects of feet (Q72.-)","valgus deformities (acquired) (M21.0-)","varus deformities (acquired) (M21.1-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Congenital metatarsus adductus, unspecified foot is a billable ICD-10-CM diagnosis code (Q66.229). Excludes1 (not coded here): reduction defects of feet (Q72.-); valgus deformities (acquired) (M21.0-); varus deformities (acquired) (M21.1-).","officialDefinition":"Congenital metatarsus adductus, unspecified foot is a billable ICD-10-CM diagnosis code (Q66.229). Excludes1 (not coded here): reduction defects of feet (Q72.-); valgus deformities (acquired) (M21.0-); varus deformities (acquired) (M21.1-).","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":""}