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

Details : C17RMS2 - aspartate aminotransferase (AST) in Blood plasma, Blood serum

Type (acronym)rms
Typereference measurement service
Unique Nomination NumberC17RMS2
Reference Laboratory StatusManufacturer
Analyte Nameaspartate aminotransferase (AST)
IUPAC IFCC NumberEC2.6.1.1
Traceable to SIYes
Principle of Analytical ProcedureKinetic spectroscopy
Reference Method Listed in JCTLMYes
JCTLM Database Identifier NumberNRMeth 68
Procedure Difference in Your LaboratoryNo
QuantityCatalytic activity concentration
From (0)0.36
To (0)4.17
Unit (0)μkat/L
From (1)2.2
To (1)2.2
Unit (1)%
Level of Confidence (%)0.95
Comments on Concentration RangeThe conversion factor for enzyme catalytic activity concentration: 1 U/L = 0.01667 µkat/L. The measurement range of concentration does not involve the dilution of the sample.
Comments on Uncertainty RangeThe expanded uncertainty is a relative uncertainty.
Laboratory Status(b)
Survey OrganisationIFCC Ring Trials for Reference Laboratories are organized on behalf of the IFCC by the Reference Institute of Bioanalysis (RfB) of the German Society of Clinical Chemistry and Laboratory Medicine (DGKL).
Intercomparison Results Publicly AvailableYes
Link to Comparison Resultswww.dgkl-rfb.de:81/index.shtml
Reference to Published Comparison ResultsRELA-IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine. The code of this laboratory in RELA-IFCC EQAS is 165.
Additional Information 1No. 165 is the number of our lab participation in RELA - IFCC External Quality assessment scheme for Reference Laboratories.
Participation Status in Intercomparison Surveys acceptableyes
RemarksIncluding PT measurement provided by China National Center for Clinical Laboratories and RELA - IFCC External Quality assessment scheme for Reference Laboratories
Organization AcronymWFRL
Organization NameGuangzhou Wondfo Biotechnology Co., Ltd. Reference Laboratory Department
Organization Websitehttps://www.wondfo.com/index
Organization Country ISO CodeCN
Organization Country NameChina
Analyte Category NameEnzymes