{"code":"P91.821","type":"code","title":"Neonatal cerebral infarction, right side of brain","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["cerebral infarction (I63.-)"],"excludes2":["intracranial hemorrhage of newborn (P52.-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Neonatal cerebral infarction, right side of brain is a billable ICD-10-CM diagnosis code (P91.821). Excludes1 (not coded here): cerebral infarction (I63.-). Excludes2 (not included here): intracranial hemorrhage of newborn (P52.-).","officialDefinition":"Neonatal cerebral infarction, right side of brain is a billable ICD-10-CM diagnosis code (P91.821). Excludes1 (not coded here): cerebral infarction (I63.-). Excludes2 (not included here): intracranial hemorrhage of newborn (P52.-).","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":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"249","label":"Ischemic or Unspecified Stroke","family":"","suppresses":[]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"100"}]}}