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Vitamin D Standardization Program (VDSP) References

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References and Resources

Bedner M, Lippa KA, Tai SS. An assessment of 25-hydroxyvitamin D measurements in comparability studies conducted by the Vitamin D Metabolites Quality Assurance Program.external link disclaimer Clin Chim Acta. 2013;426:6-11.

Binkley N, Krueger D, Cowgill CS, et al. Assay variation confounds the diagnosis of hypovitaminosis D: A call for standardization.external link disclaimer J Clin Endocrin Metab 2004;89:3152-3157.

Binkley N, Sempos CT. Standardizing vitamin D assays: the way forward.external link disclaimer J Bone Miner Res. 2014;29:1709-1714.

Bunk DM. Reference materials and reference measurement procedures: an overview from a national metrology institute.external link disclaimer Clin Biochem Rev 2007;28:131-137.

Camara J, Hoofnagle A, Carter G, Sempos C. Take two: Gearing up for the next vitamin D commutability study.external link disclaimer Clin Lab News 2015 February 1:8.

Carter GD. Accuracy of 25-hydroxyvitamin D assays: confronting the issues.external link disclaimer Current Drug Targets 2011;12:19-28.

Carter GD, Phinney KW. Assessing vitamin D status: time for a rethink?external link disclaimer Clin Chem. 2014;60:809-811.

Cashman KD, Hayes A, Galvin K, Merkel J, Jones G, Kaufmann M, Hoofnagle AN, Carter GD, Durazo-Arvizu RA, Sempos CT. Significance of serum 24,25-dihydroxyvitamin D in the assessment of vitamin D status: a double-edged sword?external link disclaimer Clin Chem 2015;61:636-645.

Cashman KD, Holvik K, Andersen R, Linneberg A, Lamberg-Allardt C, Tetens I, Gronberg IM, Meyer HE, Keily M, Dowling K, Skrabakova Z, Lundqvist A, Koponen P, Sundvall J, Koskinen S, Nystrup LL, Thuesen BH, Sempos CT, Durazo-Arvizu RA, Skrakova Z. Standardizing serum 25-hydroxyvitamin D data from four Nordic population samples using the Vitamin D Standardization Program protocols: shedding new light on vitamin D status in Nordic individuals.external link disclaimer Scand J Clin Lab Inves. 2015;75:549-561.

Cashman KD, Kiely M, Kinsella M, et al. Evaluation of Vitamin D Standardization Program protocols for standardizing serum 25-hydroxyvitamin D data: a case study of the program’s potential for National Nutrition/Health Surveys.external link disclaimer Am J Clin Nutr 2013;97:1235-1242.

Miller WG, Jones GRD, Horowitz GL, et al. Proficiency testing/external quality assessment: current challenges and future directions.external link disclaimer Clin Chem 2011;57:1670-1680.

Miller WG, Myers GL, Gantzer ML et al. Roadmap for harmonization of clinical laboratory methods.external link disclaimer Clin Chem 2011;57:1108-1117.

Phinney KW, Bedner M, Tai S S-C, et al. Development and certification of a standard reference material for vitamin D metabolites in human serum.external link disclaimer Anal Chem 2012;84:956-962.

Sander LC, Bedner M, Duewer DL, Lippa KA, Phillips MM, Phinney KW, Rimmer CA, Schantz MM, Sharpless KE, Tai SS, Thomas JB, Wise SA, Wood LJ, Betz JM, Coates PM. The development and implementation of quality assurance programs to support nutritional measurements.external link disclaimer Anal Bioanal Chem.2013;405:4437-4441.

Sempos CT. Standardization of vitamin D assays: The past and present dilemma for vitamin D research. Standardy Medycne 2015;12:805-809.

Sempos CT, Durazo-Arvizu RA, Binkley N, Jones J, Merkel JM, Carter GD. Developing vitamin D dietary guidelines and the lack of 25-hydroxyvitamin D assay standardization: The ever-present past.external link disclaimer  J Steroid Bioch Molec Biol 2015; Aug 28. pii: S0960-0760(15)30059-5. doi: 10.1016/j.jsbmb.2015.08.027. [Epub ahead of print]

Sempos CT, Durazo-Arvizu R, Dawson-Hughes B, Yetley EA, Looker AC, Schleicher R, Cao G, Burt V, Kramer H, Bailey R, Dwyer J, Zhang X, Gahche J, Thomas PR, Coates PM, Picciano MF. Is there a reverse J-shaped association between 25-hydroxyvitamin D and all-cause mortality? results from the US nationally representative NHANES.external link disclaimer J Clin End and Metab 2013;98:3001-3009.

Sempos CT, Vesper HW, Phinney KW, et al. Vitamin D status as an international issue: national surveys and the problem of standardization.external link disclaimer Scand J Clin Lab Inves 2012;72(Suppl 243): 32-40.

Serafin K, Durazo-Arvizu R, Tian L, Phinney KW, Tai S, Camara JE, Merkel J, Green E, Sempos C, Brooks SPJ. Standardizing 25-hydroxyvitamin D values from the Canadian Health Measures Survey.external link disclaimer Am J Clin Nutr 2015;102:1044-1055.

Stepman HCM, Vanderroost A, Van Uytfanghe K, et al. Candidate reference measurement procedures for serum 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 by using isotope-dilution liquid chromatography-tandem mass spectrometry.external link disclaimer Clin Chem 2011;57:441-448.

Stöckl D, Sluss PM, Thienpont LM. Specifications for trueness and precision of a reference measurement system for serum/plasma 25-hydroxyvitamin D analysis.external link disclaimer Clin Chem Acta 2009;408:8-13.

Tai SS-C, Bedner M, Phinney KW. Development of a candidate reference measurement procedure for the determination of 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in human serum using isotope-dilution liquid chromatography-tandem mass spectrometry.external link disclaimer Anal Chem 2010;82:1942-1948.

Tai S, Nelson MA. Candidate reference measurement procedure for the determination of (24R),25-dihydroxyvitamin D3 in human serum using isotope-dilution liquid chromatography−tandem mass spectrometryexternal link disclaimer. Anal Chem 2015;87:7964-7970.

Taylor CL, Carriquiry AL, Bailey RL, Sempos CT, Yetley EA. Appropriateness of the probability approach with a nutrient status biomarker to assess population inadequacy: a study using vitamin D.external link disclaimer Am J Clin Nutr 2013;97:72-78.

Thienpont LM, Stepman HCM, Vesper HW. Standardization of measurements of 25-Hydroxyvitamin D3 and D2.external link disclaimer Scand J Clin Lab Inves 2012;72(Suppl 243):41-49.

Tian L, Durazo-Arvizu RA, Myers G, Brooks S, Sarafin K, Sempos CT. The estimation of calibration equations for variables with heteroscedastic measurement error.external link disclaimer Stat Med 2014;33:4420-4436.