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JCTLM Database: higher-order reference materials, methods and services

Details : C1RMS149 - γ-glutamyltransferase (GGT) in Blood serum

Type (acronym)rms
Typereference measurement service
Unique Nomination NumberC1RMS149
Reference Laboratory StatusCalibration laboratory of the DGKL
Analyte Nameγ-glutamyltransferase (GGT)
IUPAC IFCC NumberEC 2.3.2.2
Traceable to SIYes
Principle of Analytical ProcedureKinetic spectrophotometry
Reference Method Listed in JCTLMYes
Name of JCTLM Listed Reference Method ProcedureIFCC Reference Measurement Procedure (37°C) for GGT
JCTLM Database Identifier NumberNRMeth 69
QuantityCatalytic activity concentration
From (0)0.032
To (0)4.58
Unit (0)µkat/l
From (1)2.2
To (1)2.2
Unit (1)%
Level of Confidence (%)95%
Comments on Concentration RangeThe measurement range spans from 0.032 µkat/l (1.9 U/l) to 4.58 µkat/l (275 U/l) without dilution of the sample
Reference Procedure Status AcceptableUncertainty appears wrongly indicated > instead of <.
Laboratory Preparing for AccreditationYes
Survey OrganisationIFCC - EQAS
Intercomparison Results Publicly AvailableYes
Link to Comparison ResultsRELA - IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine at AND http://www.dgkl-rfb.de:81/index.shtml
Participation Status in Intercomparison Surveys acceptableYES
Recommended for Publication in the JCTLM ListYes
Organization AcronymRfB
Organization NameReference Institute for Bioanalytics, Calibration Laboratory II
Organization Websitehttps://rfb.bio/cgi/switchLang?lang=en
Organization Country ISO CodeDE
Organization Country NameGermany
Analyte Category NameEnzymes