{"code":"C49.3","type":"code","title":"Malignant neoplasm of connective and soft tissue of thorax","codeAlso":[],"includes":["malignant neoplasm of blood vessel","malignant neoplasm of bursa","malignant neoplasm of cartilage","malignant neoplasm of fascia","malignant neoplasm of fat","malignant neoplasm of ligament, except uterine","malignant neoplasm of lymphatic vessel","malignant neoplasm of muscle","malignant neoplasm of synovia","malignant neoplasm of tendon (sheath)"],"modern_v":"official26","codeFirst":[],"excludes1":["malignant neoplasm of breast (C50.-)","malignant neoplasm of heart (C38.0)","malignant neoplasm of mediastinum (C38.1-C38.3)","malignant neoplasm of thymus (C37)","malignant neoplasm of cartilage (of):","articular (C40-C41)","larynx (C32.3)","nose (C30.0)","malignant neoplasm of connective tissue of breast (C50.-)"],"excludes2":["Kaposi's sarcoma of soft tissue (C46.1)","malignant neoplasm of peripheral nerves and autonomic nervous system (C47.-)","malignant neoplasm of peritoneum (C48.2)","malignant neoplasm of retroperitoneum (C48.0)","malignant neoplasm of uterine ligament (C57.3)","mesothelioma (C45.-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["C49","C49.0","C49.1","C49.2","C49.4","C49.5","C49.6","C49.8","C49.9","C49.A","C49.A0","C49.A1","C49.A2","C49.A3","C49.A4","C49.A5","C49.A9"],"inclusionTerms":["Malignant neoplasm of axilla","Malignant neoplasm of diaphragm","Malignant neoplasm of great vessels"],"sibling_titles":{"code":"C49.A9","title":"Gastrointestinal stromal tumor of other sites","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Malignant neoplasm of connective and soft tissue of thorax is a billable ICD-10-CM diagnosis code (C49.3). Includes: malignant neoplasm of blood vessel; malignant neoplasm of bursa; malignant neoplasm of cartilage; malignant neoplasm of fascia; malignant neoplasm of fat; malignant neoplasm of ligament, except uterine; malignant neoplasm of lymphatic vessel; malignant neoplasm of muscle; malignant neoplasm of synovia; malignant neoplasm of tendon (sheath).","officialDefinition":"Malignant neoplasm of connective and soft tissue of thorax is a billable ICD-10-CM diagnosis code (C49.3). Includes: malignant neoplasm of blood vessel; malignant neoplasm of bursa; malignant neoplasm of cartilage; malignant neoplasm of fascia; malignant neoplasm of fat; malignant neoplasm of ligament, except uterine; malignant neoplasm of lymphatic vessel; malignant neoplasm of muscle; malignant neoplasm of synovia; malignant neoplasm of tendon (sheath). Inclusion terms: Malignant neoplasm of axilla; Malignant neoplasm of diaphragm; Malignant neoplasm of great vessels. Excludes1 (not coded here): malignant neoplasm of breast (C50.-); malignant neoplasm of heart (C38.0); malignant neoplasm of mediastinum (C38.1-C38.3); malignant neoplasm of thymus (C37); malignant neoplasm of cartilage (of):; articular (C40-C41); larynx (C32.3); nose (C30.0); malignant neoplasm of connective tissue of breast (C50.-). Excludes2 (not included here): Kaposi's sarcoma of soft tissue (C46.1); malignant neoplasm of heart (C38.0); malignant neoplasm of peripheral nerves and autonomic nervous system (C47.-); malignant neoplasm of peritoneum (C48.2); malignant neoplasm of retroperitoneum (C48.0); malignant neoplasm of uterine ligament (C57.3); mesothelioma (C45.-).","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":""}