{"code":"M85.09","type":"code","title":"Fibrous dysplasia (monostotic), multiple sites","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":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["M85","M85.0","M85.00","M85.01","M85.011","M85.012","M85.019","M85.02","M85.021","M85.022","M85.029","M85.03","M85.031","M85.032","M85.039","M85.04","M85.041","M85.042","M85.049","M85.05","M85.051","M85.052","M85.059","M85.06","M85.061","M85.062","M85.069","M85.07","M85.071","M85.072","M85.079","M85.08","M85.1","M85.10","M85.11","M85.111","M85.112","M85.119","M85.12","M85.121","M85.122","M85.129","M85.13","M85.131","M85.132","M85.139","M85.14","M85.141","M85.142","M85.149","M85.15","M85.151","M85.152","M85.159","M85.16","M85.161","M85.162","M85.169","M85.17","M85.171","M85.172","M85.179","M85.18","M85.19","M85.2","M85.3","M85.30","M85.31","M85.311","M85.312","M85.319","M85.32","M85.321","M85.322","M85.329","M85.33","M85.331","M85.332","M85.339","M85.34","M85.341","M85.342","M85.349","M85.35","M85.351","M85.352","M85.359","M85.36","M85.361","M85.362","M85.369","M85.37","M85.371","M85.372","M85.379","M85.38","M85.39","M85.4","M85.40","M85.41"],"inclusionTerms":[],"sibling_titles":{"code":"M85.41","title":"Solitary bone cyst, shoulder","isBillable":false},"useAdditionalCode":[],"clinicalDefinition":"Fibrous dysplasia (monostotic), multiple sites is a billable ICD-10-CM diagnosis code (M85.09). 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), multiple sites is a billable ICD-10-CM diagnosis code (M85.09). 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":""}