{"code":"D05.9","type":"code","title":"Unspecified type of carcinoma in situ of breast","codeAlso":[],"includes":["Bowen's disease","erythroplasia","grade III intraepithelial neoplasia","Queyrat's erythroplasia"],"modern_v":"official26","codeFirst":[],"excludes1":["carcinoma in situ of skin of breast (D04.5)","malignant neoplasm of breast (C50.-)","melanoma in situ of breast (skin) (D03.5)","Paget's disease of breast or nipple (C50.-)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Unspecified type of carcinoma in situ of breast is a non-billable ICD-10-CM category code (D05.9). A more specific billable subcode must be selected for claims submission. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): carcinoma in situ of skin of breast (D04.5); melanoma in situ of breast (skin) (D03.5); Paget's disease of breast or nipple (C50.-). Excludes2 (not included here): malignant neoplasm of breast (C50.-).","officialDefinition":"Unspecified type of carcinoma in situ of breast is a non-billable ICD-10-CM category code (D05.9). A more specific billable subcode must be selected for claims submission. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): carcinoma in situ of skin of breast (D04.5); melanoma in situ of breast (skin) (D03.5); Paget's disease of breast or nipple (C50.-). Excludes2 (not included here): malignant neoplasm of breast (C50.-).","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":""}