{"code":"C03.1","type":"code","title":"Malignant neoplasm of lower gum","codeAlso":[],"includes":["malignant neoplasm of alveolar (ridge) mucosa","malignant neoplasm of gingiva"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["malignant odontogenic neoplasms (C41.0-C41.1)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["C03","C03.0","C03.9"],"inclusionTerms":[],"sibling_titles":{"code":"C03.9","title":"Malignant neoplasm of gum, 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 lower gum is a billable ICD-10-CM diagnosis code (C03.1). Includes: malignant neoplasm of alveolar (ridge) mucosa; malignant neoplasm of gingiva. Excludes2 (not included here): malignant odontogenic neoplasms (C41.0-C41.1). 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 lower gum is a billable ICD-10-CM diagnosis code (C03.1). Includes: malignant neoplasm of alveolar (ridge) mucosa; malignant neoplasm of gingiva. Excludes2 (not included here): malignant odontogenic neoplasms (C41.0-C41.1). 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":""}