{"code":"Q84.6","type":"code","title":"Other congenital malformations of nails","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["Q84","Q84.0","Q84.1","Q84.2","Q84.3","Q84.4","Q84.5","Q84.8","Q84.9"],"inclusionTerms":["Congenital clubnail","Congenital koilonychia","Congenital malformation of nail NOS"],"sibling_titles":{"code":"Q84.9","title":"Congenital malformation of integument, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other congenital malformations of nails is a billable ICD-10-CM diagnosis code (Q84.6). Inclusion terms: Congenital clubnail; Congenital koilonychia; Congenital malformation of nail NOS.","officialDefinition":"Other congenital malformations of nails is a billable ICD-10-CM diagnosis code (Q84.6). Inclusion terms: Congenital clubnail; Congenital koilonychia; Congenital malformation of nail NOS.","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":""}