Cross reactivity of endogenous and exogenous 25-hydroxyvitamin D2 in commercial vitamin D assays; an evaluation using the Dutch external quality assessment scheme

Erika Huijser; Judith A. P. Bons; Annemieke C. Heijboer

doi:10.1515/cclm-2025-0761

Cross reactivity of endogenous and exogenous 25-hydroxyvitamin D₂ in commercial vitamin D assays; an evaluation using the Dutch external quality assessment scheme

Erika Huijser
, Judith A. P. Bons
, Annemieke C. Heijboer^*

^*Corresponding author for this work

Research output: Contribution to journal › Comment/Letter to the editor › Academic › peer-review

Original language	English
Number of pages	3
Journal	Clinical Chemistry and Laboratory Medicine
DOIs	https://doi.org/10.1515/cclm-2025-0761
Publication status	Published - 1 Oct 2025

Keywords

vitamin D
25-hydroxyvitamin D-2
chemistry techniques
mass spectrometry
immunoassay
analytical specificity
IMMUNOASSAYS

Access to Document

10.1515/cclm-2025-0761Licence: CC BY

Cite this

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title = "Cross reactivity of endogenous and exogenous 25-hydroxyvitamin D2 in commercial vitamin D assays; an evaluation using the Dutch external quality assessment scheme",

keywords = "vitamin D, 25-hydroxyvitamin D-2, chemistry techniques, mass spectrometry, immunoassay, analytical specificity, IMMUNOASSAYS",

author = "Erika Huijser and Bons, \{Judith A. P.\} and Heijboer, \{Annemieke C.\}",

year = "2025",

month = oct,

day = "1",

doi = "10.1515/cclm-2025-0761",

language = "English",

journal = "Clinical Chemistry and Laboratory Medicine",

issn = "1434-6621",

publisher = "Walter de Gruyter GmbH",

}

Cross reactivity of endogenous and exogenous 25-hydroxyvitamin D₂ in commercial vitamin D assays; an evaluation using the Dutch external quality assessment scheme. / Huijser, Erika; Bons, Judith A. P.; Heijboer, Annemieke C.
In: Clinical Chemistry and Laboratory Medicine, 01.10.2025.

Research output: Contribution to journal › Comment/Letter to the editor › Academic › peer-review

TY - JOUR

T1 - Cross reactivity of endogenous and exogenous 25-hydroxyvitamin D2 in commercial vitamin D assays; an evaluation using the Dutch external quality assessment scheme

AU - Huijser, Erika

AU - Bons, Judith A. P.

AU - Heijboer, Annemieke C.

PY - 2025/10/1

Y1 - 2025/10/1

KW - vitamin D

KW - 25-hydroxyvitamin D-2

KW - chemistry techniques

KW - mass spectrometry

KW - immunoassay

KW - analytical specificity

KW - IMMUNOASSAYS

U2 - 10.1515/cclm-2025-0761

DO - 10.1515/cclm-2025-0761

M3 - Comment/Letter to the editor

SN - 1434-6621

JO - Clinical Chemistry and Laboratory Medicine

JF - Clinical Chemistry and Laboratory Medicine

ER -