Clinical Chemistry and Laboratory Medicine

Optimizing diagnostic thresholds of total vitamin B12 (B12) for identifying cobalamin deficiency in adults with macrocytic anemiaMichela Pellosoon February 16, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 13. doi: 10.1515/cclm-2025-1722. Online ahead of print. ABSTRACT OBJECTIVES: Identifying individuals with vitamin B12 (B12) deficiency is challenging due to poor harmonization across total B12 assays. To establish clinically meaningful thresholds for the Roche assay, we characterized B12 concentrations associated with deficiency by comparing individuals with macrocytic anemia and … Read more

Analytical performance of the Roche Elecsys TnT hs Gen 6 immunoassayMarco Tosion February 16, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 17. doi: 10.1515/cclm-2026-0115. Online ahead of print. ABSTRACT OBJECTIVES: The acute coronary syndrome (ACS) is a leading cause of morbidity and mortality worldwide, with timely diagnosis being critical for improving outcomes. Since high-sensitivity cardiac troponin (hs-cTn) assays have become the gold standard for detecting myocardial injury, this study aimed … Read more

On the cusp of global lipoprotein(a) standardizationChrista M Cobbaerton February 16, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 16. doi: 10.1515/cclm-2026-0149. Online ahead of print. ABSTRACT Lipoprotein(a) (Lp(a)) has the reputation of being the most misunderstood metric in laboratory medicine. The unique apolipoprotein(a) (apo(a)) in Lp(a) is very heterogenous, the kringle IV domain of apo(a) being formed by 12-50 kringles due to 3 to ∼40 KIV2 repeats. … Read more

Age- and sex-specific reference intervals for 11-oxygenated androgens from infancy throughout childhood and adulthoodRobert Zeidleron February 16, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 17. doi: 10.1515/cclm-2025-1440. Online ahead of print. ABSTRACT OBJECTIVES: The adrenal glands are the main source of 11-oxygenated androgens (11-OAs), including the potent 11-ketotestosterone (11-KT) and the weaker metabolites 11β-hydroxyandrostenedione (11-OHA4), 11β-hydroxytestosterone (11-OHT) and 11-ketoandrostenedione (11-KA4). Due to their adrenal origin, 11-OAs allow the differentiation of adrenal and extra-adrenal-produced … Read more

From ordering to interpretation: a comprehensive framework for laboratory test indicationsJasmin Weningeron February 16, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 6. doi: 10.1515/cclm-2025-1531. Online ahead of print. ABSTRACT OBJECTIVES: Clinical intent for laboratory testing (“indication”) is rarely recorded in structured form, limiting contextual interpretation, auditability, and utilization stewardship. We developed a comprehensive, and clinically applicable framework that standardizes laboratory test indications and links them to indication-dependent utilization and interpretation. … Read more

Antiphosphatidylserine/prothrombin antibodies define a high-risk antiphospholipid syndrome profile associated with organ damageAriela Hoxhaon February 3, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 3. doi: 10.1515/cclm-2025-1565. Online ahead of print. ABSTRACT OBJECTIVES: Antiphosphatidylserine/prothrombin (aPS/PT) antibodies are promising non-criteria aPLs associated with antiphospholipid syndrome (APS) manifestations. Their influence on long-term outcomes and damage remains uncertain. To assess aPS/PT antibodies association with accrual damage and severe APS disease phenotypes, focusing on their potential for … Read more

Blood biomarkers in neurodegenerative diseases: pre-analytical, analytical, and post-analytical challengesConstance Delabyon February 3, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 3. doi: 10.1515/cclm-2025-1731. Online ahead of print. ABSTRACT Recent advances in blood-based biomarkers for neurodegenerative diseases present promising opportunities for earlier diagnosis and more effective disease monitoring. However, challenges in standardizing sample collection, processing protocols, and data reporting continue to hinder reproducibility, limit cross-study comparability, and delay clinical adoption. … Read more

Green laboratory through test ordering appropriateness and innovationSveva Stangalinion February 3, 2026 at 11:00 am

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Clin Chem Lab Med. 2026 Feb 3. doi: 10.1515/cclm-2025-1606. Online ahead of print. ABSTRACT OBJECTIVES: Clinical laboratories play a vital role in healthcare but are also among the most resource-intensive hospital units. High energy and water consumption, extensive use of single-use plastics, and the generation of non-recyclable biomedical waste present major environmental challenges. This study … Read more

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