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

Details : C14RMS23 - total thyroxine (TT4) in Calibration solution, Blood serum, Blood plasma

Type (acronym)rms
Typereference measurement service
Unique Nomination NumberC14RMS23
Reference Laboratory StatusEQAS Organizer
Analyte Nametotal thyroxine (TT4)
IUPAC IFCC Numbertotal thyroxine
Applicable Matricesserum, plasma (fresh, frozen, lyophilized powder) and calibration solution
Traceable to SIYes
Principle of Analytical ProcedureID LC-MS/MS
Reference Method Listed in JCTLMYes
Name of JCTLM Listed Reference Method ProcedureUniversity of Ghent reference measurement procedure for total thyroxine
JCTLM Database Identifier NumberNRMeth 11
Procedure Difference in Your LaboratoryYes
QuantityAmount-of-substance concentration
From (0)20
To (0)370
Unit (0)nmol/L
From (1)1
To (1)2
Unit (1)%
Level of Confidence (%)95%
Survey OrganisationJCTLM, IFCC, RfB, RELA
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
Validation Report for Improved MethodMethod_Validation_Report_C14RMS23.pdf
Organization AcronymNCCL
Organization NameNational Center for Clinical Laboratories
Organization Country ISO CodeCN
Organization Country NameChina
Analyte Category NameNon-peptide hormones