{"code":"C02.4","type":"code","title":"Malignant neoplasm of lingual tonsil","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["malignant neoplasm of tonsil NOS (C09.9)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["C02","C02.0","C02.1","C02.2","C02.3","C02.8","C02.9"],"inclusionTerms":[],"sibling_titles":{"code":"C02.9","title":"Malignant neoplasm of tongue, unspecified","isBillable":true},"useAdditionalCode":["code to identify:","alcohol abuse and dependence (F10.-)","history of tobacco dependence (Z87.891)","tobacco dependence (F17.-)","tobacco use (Z72.0)"],"clinicalDefinition":"Malignant neoplasm of lingual tonsil is a billable ICD-10-CM diagnosis code (C02.4). Excludes2 (not included here): malignant neoplasm of tonsil NOS (C09.9). Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","officialDefinition":"Malignant neoplasm of lingual tonsil is a billable ICD-10-CM diagnosis code (C02.4). Excludes2 (not included here): malignant neoplasm of tonsil NOS (C09.9). Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); 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":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}