{"code":"C39","type":"category","title":"Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs","codeAlso":[],"includes":["malignant neoplasm of middle ear"],"modern_v":"official26","codeFirst":[],"excludes1":["intrathoracic malignant neoplasm NOS (C76.1)","thoracic malignant neoplasm NOS (C76.1)","mesothelioma (C45.-)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["C39.0","C39.9"],"inclusionTerms":[],"sibling_titles":{"code":"C39.9","title":"Malignant neoplasm of lower respiratory tract, part unspecified","isBillable":true},"useAdditionalCode":["code to identify:","exposure to environmental tobacco smoke (Z77.22)","exposure to tobacco smoke in the perinatal period (P96.81)","history of tobacco dependence (Z87.891)","occupational exposure to environmental tobacco smoke (Z57.31)","tobacco dependence (F17.-)","tobacco use (Z72.0)"],"clinicalDefinition":"Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs is a non-billable ICD-10-CM category code (C39). A more specific billable subcode must be selected for claims submission. Includes: malignant neoplasm of middle ear. Excludes1 (not coded here): intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1); mesothelioma (C45.-). Use additional code: code to identify:; exposure to environmental tobacco smoke (Z77.","officialDefinition":"Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs is a non-billable ICD-10-CM category code (C39). A more specific billable subcode must be selected for claims submission. Includes: malignant neoplasm of middle ear. Excludes1 (not coded here): intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1); mesothelioma (C45.-). Use additional code: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).","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":[{"code":"C39.0","title":"Malignant neoplasm of upper respiratory tract, part unspecified","description":"Malignant neoplasm of upper respiratory tract, part unspecified is a billable ICD-10-CM diagnosis code (C39.0). Includes: malignant neoplasm of middle ear. Excludes1 (not coded here): intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1); mesothelioma (C45.-). Use additional code: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c39.0-malignant-neoplasm-of-upper-respiratory-tract-part-unspecified"},{"code":"C39.9","title":"Malignant neoplasm of lower respiratory tract, part unspecified","description":"Malignant neoplasm of lower respiratory tract, part unspecified is a billable ICD-10-CM diagnosis code (C39.9). Includes: malignant neoplasm of middle ear. Inclusion terms: Malignant neoplasm of respiratory tract NOS. Excludes1 (not coded here): intrathoracic malignant neoplasm NOS (C76.1); thoracic malignant neoplasm NOS (C76.1); mesothelioma (C45.-). Use additional code: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c39.9-malignant-neoplasm-of-lower-respiratory-tract-part-unspecified"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}