{"code":"Z28.81","type":"code","title":"Immunization not carried out due to patient having had the disease","codeAlso":[", if applicable, encounter for immunization safety counseling (Z71.85)"],"includes":["vaccination not carried out"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["Z28","Z28.0","Z28.01","Z28.02","Z28.03","Z28.04","Z28.09","Z28.1","Z28.2","Z28.20","Z28.21","Z28.29","Z28.3","Z28.31","Z28.310","Z28.311","Z28.39","Z28.8","Z28.82","Z28.83","Z28.89","Z28.9"],"inclusionTerms":[],"sibling_titles":{"code":"Z28.9","title":"Immunization not carried out for unspecified reason","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Immunization not carried out due to patient having had the disease is a billable ICD-10-CM diagnosis code (Z28.81). Includes: vaccination not carried out. Code also: , if applicable, encounter for immunization safety counseling (Z71.85).","officialDefinition":"Immunization not carried out due to patient having had the disease is a billable ICD-10-CM diagnosis code (Z28.81). Includes: vaccination not carried out. Code also: , if applicable, encounter for immunization safety counseling (Z71.85).","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":""}