{"code":"M85.07","type":"code","title":"Fibrous dysplasia (monostotic), ankle and foot","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["osteogenesis imperfecta (Q78.0)","osteopetrosis (Q78.2)","osteopoikilosis (Q78.8)","polyostotic fibrous dysplasia (Q78.1)"],"excludes2":["fibrous dysplasia of jaw (M27.8)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M85.071","M85.072","M85.079"],"inclusionTerms":[],"sibling_titles":{"code":"M85.079","title":"Fibrous dysplasia (monostotic), unspecified ankle and foot","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Fibrous dysplasia (monostotic), ankle and foot is a non-billable ICD-10-CM category code (M85.07). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteogenesis imperfecta (Q78.0); osteopetrosis (Q78.2); osteopoikilosis (Q78.8); polyostotic fibrous dysplasia (Q78.1). Excludes2 (not included here): fibrous dysplasia of jaw (M27.8).","officialDefinition":"Fibrous dysplasia (monostotic), ankle and foot is a non-billable ICD-10-CM category code (M85.07). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteogenesis imperfecta (Q78.0); osteopetrosis (Q78.2); osteopoikilosis (Q78.8); polyostotic fibrous dysplasia (Q78.1). Excludes2 (not included here): fibrous dysplasia of jaw (M27.8).","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":""}