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Details : NRMeth 68 - IFCC reference measurement procedure (37 °C) for AST

Type (acronym)rmp
Typereference measurement procedure
Unique Nomination NumberNRMeth 68
Analyte Nameaspartate aminotransferase (AST)
IUPAC IFCC NumberEC 2.6.1.1
Method capable of Traceability of Analyte to SI or Defined ProcedureDefined procedure
Applicable Matriceslyophilized, fresh, or frozen human serum or plasma
NameIFCC reference measurement procedure (37 °C) for AST
Organization that developed Validated MethodIFCC
Measurement Techniques UsedKinetic spectrophotometry
Comments 1Reference Measurement Procedure approved by IFCC Mail Ballot
QuantityCatalytic amount
From (0)0.028
To (0)4.17
Unit (0)µkat/l
Level of Confidence (%)95%
Comments on Uncertainty Range2.2 % to open
Peer Reviewed PublicationClin. Chem. Lab. Med., 2002, 40, 725-733
Measurand Clearly DefinedBy procedure itself
Multiple Testing Sites Not Required to obtain a Single ValueNo
Review Team Nameenzymes
Analyte Category NameEnzymes
Non-CCQM Key Comparison ReportIn press, data available by request at lothar.siekmann@ukb.uni-bonn.de
Measurement principle/techniqueSpectrophotometry