{"code":"R90.8","type":"code","title":"Other abnormal findings on diagnostic imaging of central nervous system","codeAlso":[],"includes":["nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]","nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]","nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]","nonspecific abnormal findings on diagnostic imaging by thermography","nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]","nonspecific abnormal findings on diagnostic imaging by X-ray examination"],"modern_v":"official26","codeFirst":[],"excludes1":["abnormal findings on antenatal screening of mother (O28.-)","diagnostic abnormal findings classified elsewhere - see Alphabetical Index"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["R90.81","R90.82","R90.89"],"inclusionTerms":[],"sibling_titles":{"code":"R90.89","title":"Other abnormal findings on diagnostic imaging of central nervous system","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other abnormal findings on diagnostic imaging of central nervous system is a non-billable ICD-10-CM category code (R90.8). A more specific billable subcode must be selected for claims submission.","officialDefinition":"Other abnormal findings on diagnostic imaging of central nervous system is a non-billable ICD-10-CM category code (R90.8). A more specific billable subcode must be selected for claims submission. Includes: nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]; nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]; nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]; nonspecific abnormal findings on diagnostic imaging by thermography; nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]; nonspecific abnormal findings on diagnostic imaging by X-ray examination. Excludes1 (not coded here): abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.","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":""}