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

Details : C6RMS2_Rev - 25-hydroxyvitamin D3 in Blood serum

Type (acronym)rms
Typereference measurement service
Unique Nomination NumberC6RMS2_Rev
Reference Laboratory StatusUniversity
Analyte Name25-hydroxyvitamin D3
IUPAC IFCC NumberCAS63283-36-3
Applicable Matriceslyophilized, fresh, or frozen serum
Traceable to SIYes
Principle of Analytical ProcedureID/LC/MS
Reference Method Listed in JCTLMYes
Name of JCTLM Listed Reference Method ProcedureUniversity of Ghent reference measurement procedure for 25-hydroxyvitamin D3
JCTLM Database Identifier NumberC8RMP3
Procedure Difference in Your LaboratoryNo
QuantityAmount-of-substance concentration
From (0)1.1
To (0)600
Unit (0)nmol/L
From (1)4.2
To (1)4.2
Unit (1)%
Level of Confidence (%)95%
Comments on Uncertainty RangeThe expanded uncertainty is calculated for measurement protocol n = 6
Survey OrganisationRELA - IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine
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/
Reference to Published Comparison ResultsIntercomparison study with NIST on 50 samples, in the framework of the VDSP (Vitamin D Standardization Program) under the auspices of the Office of Dietary Supplements (ODS) at the National Institutes of Health (NIH). Click here for NIST-UGent comparison results published on the NIH website.
Additional Information 1Intercomparison study with NIST on 50 samples, in the framework of the VDSP (Vitamin D Standardization Program) under the auspices of the Office of Dietary Supplements (ODS) at the National Institutes of Health (NIH)
Organization AcronymUGent - Ref4U
Organization NameLaboratory of Toxicology, Faculty of Pharmaceutical Sciences, Ghent University
Organization Websitehttps://www.ugent.be/fw/bioanalysis/en/research/toxicology/services/ref4u.htm
Organization Country ISO CodeBE
Organization Country NameBelgium
Analyte Category NameVitamins and micronutrients