{"code":"C06","type":"category","title":"Malignant neoplasm of other and unspecified parts of mouth","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["C06.0","C06.1","C06.2","C06.8","C06.80","C06.89","C06.9"],"inclusionTerms":[],"sibling_titles":{"code":"C06.9","title":"Malignant neoplasm of mouth, 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 other and unspecified parts of mouth is a non-billable ICD-10-CM category code (C06). A more specific billable subcode must be selected for claims submission. 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 other and unspecified parts of mouth is a non-billable ICD-10-CM category code (C06). A more specific billable subcode must be selected for claims submission. 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":[{"code":"C06.0","title":"Malignant neoplasm of cheek mucosa","description":"Malignant neoplasm of cheek mucosa is a billable ICD-10-CM diagnosis code (C06.0). Inclusion terms: Malignant neoplasm of buccal mucosa NOS; Malignant neoplasm of internal cheek. Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.0-malignant-neoplasm-of-cheek-mucosa"},{"code":"C06.1","title":"Malignant neoplasm of vestibule of mouth","description":"Malignant neoplasm of vestibule of mouth is a billable ICD-10-CM diagnosis code (C06.1). Inclusion terms: Malignant neoplasm of buccal sulcus (upper) (lower); Malignant neoplasm of labial sulcus (upper) (lower). Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.1-malignant-neoplasm-of-vestibule-of-mouth"},{"code":"C06.2","title":"Malignant neoplasm of retromolar area","description":"Malignant neoplasm of retromolar area is a billable ICD-10-CM diagnosis code (C06.2). Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.2-malignant-neoplasm-of-retromolar-area"},{"code":"C06.8","title":"Malignant neoplasm of overlapping sites of other and unspecified parts of mouth","description":"Malignant neoplasm of overlapping sites of other and unspecified parts of mouth is a non-billable ICD-10-CM category code (C06.8). A more specific billable subcode must be selected for claims submission. Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":false,"slug":"c06.8-malignant-neoplasm-of-overlapping-sites-of-other-and-unspecified-parts"},{"code":"C06.80","title":"Malignant neoplasm of overlapping sites of unspecified parts of mouth","description":"Malignant neoplasm of overlapping sites of unspecified parts of mouth is a billable ICD-10-CM diagnosis code (C06.80). Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.80-malignant-neoplasm-of-overlapping-sites-of-unspecified-parts-of-mouth"},{"code":"C06.89","title":"Malignant neoplasm of overlapping sites of other parts of mouth","description":"Malignant neoplasm of overlapping sites of other parts of mouth is a billable ICD-10-CM diagnosis code (C06.89). Inclusion terms: 'book leaf' neoplasm [ventral surface of tongue and floor of mouth]. Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.89-malignant-neoplasm-of-overlapping-sites-of-other-parts-of-mouth"},{"code":"C06.9","title":"Malignant neoplasm of mouth, unspecified","description":"Malignant neoplasm of mouth, unspecified is a billable ICD-10-CM diagnosis code (C06.9). Inclusion terms: Malignant neoplasm of minor salivary gland, unspecified site; Malignant neoplasm of oral cavity NOS. Use additional code: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).","isBillable":true,"slug":"c06.9-malignant-neoplasm-of-mouth-unspecified"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}