{"code":"D03.4","type":"code","title":"Melanoma in situ of scalp and neck","codeAlso":[],"includes":["Bowen's disease","erythroplasia","grade III intraepithelial neoplasia","Queyrat's erythroplasia"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["D03","D03.0","D03.1","D03.111","D03.112","D03.121","D03.122","D03.2","D03.3","D03.5","D03.6","D03.7","D03.8","D03.9"],"inclusionTerms":[],"sibling_titles":{"code":"D03.9","title":"Melanoma in situ, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Melanoma in situ of scalp and neck is a billable ICD-10-CM diagnosis code (D03.4). Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia.","officialDefinition":"Melanoma in situ of scalp and neck is a billable ICD-10-CM diagnosis code (D03.4). Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia.","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":""}