{"code":"D04.4","type":"code","title":"Carcinoma in situ of skin of scalp and neck","codeAlso":[],"includes":["Bowen's disease","erythroplasia","grade III intraepithelial neoplasia","Queyrat's erythroplasia"],"modern_v":"official26","codeFirst":[],"excludes1":["erythroplasia of Queyrat (penis) NOS (D07.4)","melanoma in situ (D03.-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["D04","D04.0","D04.1","D04.111","D04.112","D04.121","D04.122","D04.2","D04.3","D04.5","D04.6","D04.7","D04.8","D04.9"],"inclusionTerms":[],"sibling_titles":{"code":"D04.9","title":"Carcinoma in situ of skin, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Carcinoma in situ of skin of scalp and neck is a billable ICD-10-CM diagnosis code (D04.4). Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): erythroplasia of Queyrat (penis) NOS (D07.4); melanoma in situ (D03.-).","officialDefinition":"Carcinoma in situ of skin of scalp and neck is a billable ICD-10-CM diagnosis code (D04.4). Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): erythroplasia of Queyrat (penis) NOS (D07.4); melanoma in situ (D03.-).","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":""}