{"code":"Q98.1","type":"code","title":"Klinefelter syndrome, male with more than two X chromosomes","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["mitochondrial metabolic disorders (E88.4-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Klinefelter syndrome, male with more than two X chromosomes is a billable ICD-10-CM diagnosis code (Q98.1). Excludes2 (not included here): mitochondrial metabolic disorders (E88.4-).","officialDefinition":"Klinefelter syndrome, male with more than two X chromosomes is a billable ICD-10-CM diagnosis code (Q98.1). Excludes2 (not included here): mitochondrial metabolic disorders (E88.4-).","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":""}