SkiptomaincontentMononucleosis(Mono)TestSendUsYourFeedbackChooseTopicAskaLaboratoryScientistAlsoKnownAsMononucleosisSpotTestMononuclearHeterophileTestHeterophileAntibodyTestMonospotFormalNameInfectiousMononucleosisRapidTestThisarticlewaslastreviewedonJuly21,2016.ThisarticlewaslastmodifiedonMarch24,2021.AtaGlanceWhyGetTested?Todetectandhelpdiagnoseinfectiousmononucleosis(mono)WhenToGetTested?Whenaperson,especiallyanadolescent,hassymptomsofmononucleosis,includingfever,sorethroat,swollenglands,andfatigueSampleRequired?AbloodsampledrawnfromprickingofyourfingertiporfromaveininyourarmTestPreparationNeeded?NoneLookingforTestResults?Youmaybeabletofindyourtestresultsonyourlaboratory'swebsiteorpatientportal.However,youarecurrentlyatLabTestsOnline.Youmayhavebeendirectedherebyyourlab'swebsiteinordertoprovideyouwithbackgroundinformationaboutthetest(s)youhadperformed. Youwillneedtoreturntoyourlab'swebsiteorportal,orcontactyourhealthcarepractitioner inordertoobtain yourtestresults.LabTestsOnlineisanaward-winningpatienteducationwebsiteofferinginformationonlaboratorytests.Thecontentonthesite,whichhasbeenreviewedbylaboratoryscientistsandothermedicalprofessionals, providesgeneralexplanationsofwhatresultsmightmeanforeachtestlistedonthesite,suchaswhatahighorlowvaluemightsuggesttoyourhealthcarepractitioner aboutyourhealthormedicalcondition.LookingforReferenceRanges?Thereferencerangesforyourtestscanbefoundonyourlaboratoryreport.Theyaretypicallyfoundtotherightofyourresults.Ifyoudonothaveyourlabreport,consultyourhealthcareproviderorthelaboratorythatperformedthetest(s)toobtainthereferencerange.Laboratorytestresultsarenotmeaningfulbythemselves.Theirmeaningcomesfromcomparisontoreferenceranges.Referencerangesarethevaluesexpectedforahealthyperson.Theyaresometimescalled"normal"values.Bycomparingyourtestresultswithreferencevalues,youandyourhealthcareprovidercanseeifanyofyourtestresultsfalloutsidetherangeofexpectedvalues.Valuesthatareoutsideexpectedrangescanprovidecluestohelpidentifypossibleconditi