{"code":"N63.31","type":"code","title":"Unspecified lump in axillary tail of the right breast","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["disorders of breast associated with childbirth (O91-O92)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Unspecified lump in axillary tail of the right breast is a billable ICD-10-CM diagnosis code (N63.31). Excludes1 (not coded here): disorders of breast associated with childbirth (O91-O92).","officialDefinition":"Unspecified lump in axillary tail of the right breast is a billable ICD-10-CM diagnosis code (N63.31). Excludes1 (not coded here): disorders of breast associated with childbirth (O91-O92).","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":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}