{"code":"C40.30","type":"code","title":"Malignant neoplasm of short bones of unspecified lower limb","codeAlso":[],"includes":["malignant neoplasm of cartilage (articular) (joint)","malignant neoplasm of periosteum"],"modern_v":"official26","codeFirst":[],"excludes1":["malignant neoplasm of bone marrow NOS (C96.9)","malignant neoplasm of synovia (C49.-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":["code to identify major osseous defect, if applicable (M89.7-)"],"clinicalDefinition":"Malignant neoplasm of short bones of unspecified lower limb is a billable ICD-10-CM diagnosis code (C40.30). Includes: malignant neoplasm of cartilage (articular) (joint); malignant neoplasm of periosteum. Excludes1 (not coded here): malignant neoplasm of bone marrow NOS (C96.9); malignant neoplasm of synovia (C49.-). Use additional code: code to identify major osseous defect, if applicable (M89.7-).","officialDefinition":"Malignant neoplasm of short bones of unspecified lower limb is a billable ICD-10-CM diagnosis code (C40.30). Includes: malignant neoplasm of cartilage (articular) (joint); malignant neoplasm of periosteum. Excludes1 (not coded here): malignant neoplasm of bone marrow NOS (C96.9); malignant neoplasm of synovia (C49.-). Use additional code: code to identify major osseous defect, if applicable (M89.7-).","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":""}