Idexx VetTest Operator's Manual

Contents

Idexx VetTest Operator's Manual Manual pdf 97 page image

K Appendix: Differences in ResultsWith a Commercial Laboratory or Other InstrumentReference ranges must be created for each analyte and each new instrument ormethod of analysis. Every commercial laboratory must establish its own speciesreference ranges for the equipment and methodology used. IDEXX is continually doingthis work for you with every software release (see Your Participation in Reference RangeData Collection QBHF" $PNQBSJOHSFTVMUTGSPNEJGGFSFOUMBCPSBUPSJFTUIBUNBZCFusing different equipment or methods is imprecise at best. Any comparisons should beperformed on the same sample that has been split, stored under like conditions, andtested at approximately the same time. Comparisons of values must take into accountdifferences in the corresponding reference ranges.With Your Own ExpectationsIf you receive results that are not what you expected for a particular patient, considerthe following:t 8FSFUIFSFBOZBCOPSNBMJUJFTOPUFEJOUIFTBNQMFUBLFO JF IFNPMZTJT MJQFNJB stress, etc.) that could cause the changes seen?t )PXGBSPVUTJEFUIFSBOHFJTUIFSFTVMU 5IFNPSFOBSSPXUIFSBOHF UIFNPSFimportant minor changes become. For example, a significant result for ALKP wouldbe 3 times the upper end of the reference range.t 8PVMEBOZUSFBUNFOUTPSESVHTUIFQBUJFOUNBZCFUBLJOHBMUFSUIFSFTVMUTt %PDMJOJDBMmOEJOHTTVQQPSUUIFSFTVMUT 4VSQSJTJOHBCOPSNBMSFTVMUTBSFVTVBMMZaccompanied by other evidence.t *TUIFSFTVMUCJPMPHJDBMMZTJHOJmDBOUPSQPTTJCMZTP %POhUCFSFMVDUBOUUPHFUBSFUFTUon the sample to confirm results.t 8IBUPUIFSUFTUTPSQSPDFEVSFTNJHIUCFVTFEUPDPOmSNPSSFKFDUUIJTSFTVMUAll laboratory results should be interpreted in light of the case history, the clinical signs,and the results of ancillary tests.K–1