{"code":"Z68.21","type":"code","title":"Body mass index [BMI] 21.0-21.9, adult","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["Z68","Z68.1","Z68.18","Z68.19","Z68.2","Z68.20","Z68.22","Z68.23","Z68.24","Z68.25","Z68.26","Z68.27","Z68.28","Z68.29","Z68.3","Z68.30","Z68.31","Z68.32","Z68.33","Z68.34","Z68.35","Z68.36","Z68.37","Z68.38","Z68.39","Z68.4","Z68.41","Z68.42","Z68.43","Z68.44","Z68.45","Z68.5","Z68.51","Z68.52","Z68.53","Z68.54","Z68.55","Z68.56"],"inclusionTerms":[],"sibling_titles":{"code":"Z68.56","title":"Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Body mass index [BMI] 21.0-21.9, adult is a billable ICD-10-CM diagnosis code (Z68.21).","officialDefinition":"Body mass index [BMI] 21.0-21.9, adult is a billable ICD-10-CM diagnosis code (Z68.21).","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":"","noteProvenance":{"Kilograms per meters squared":"Z68"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}