{"code":"M20.10","type":"code","title":"Hallux valgus (acquired), unspecified foot","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["acquired absence of fingers and toes (Z89.-)","congenital absence of fingers and toes (Q71.3-, Q72.3-)","congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)"],"excludes2":["bunion (M21.6-)","joints of the spine (M40-M54)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["M20","M20.0","M20.001","M20.002","M20.009","M20.01","M20.011","M20.012","M20.019","M20.02","M20.021","M20.022","M20.029","M20.03","M20.031","M20.032","M20.039","M20.09","M20.091","M20.092","M20.099","M20.1","M20.11","M20.12","M20.2","M20.20","M20.21","M20.22","M20.3","M20.30","M20.31","M20.32","M20.4","M20.40","M20.41","M20.42","M20.5","M20.5X","M20.5X1","M20.5X2","M20.5X9","M20.6","M20.60","M20.61","M20.62"],"inclusionTerms":[],"sibling_titles":{"code":"M20.62","title":"Acquired deformities of toe(s), unspecified, left foot","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Hallux valgus (acquired), unspecified foot is a billable ICD-10-CM diagnosis code (M20.10). Excludes1 (not coded here): acquired absence of fingers and toes (Z89.-); congenital absence of fingers and toes (Q71.3-, Q72.3-); congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-). Excludes2 (not included here): bunion (M21.6-); joints of the spine (M40-M54).","officialDefinition":"Hallux valgus (acquired), unspecified foot is a billable ICD-10-CM diagnosis code (M20.10). Excludes1 (not coded here): acquired absence of fingers and toes (Z89.-); congenital absence of fingers and toes (Q71.3-, Q72.3-); congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-). Excludes2 (not included here): bunion (M21.6-); 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":""}