Clinical Chemistry and Laboratory Medicine

From assessment to action: experience from a quality improvement initiative integrating indicator evaluation and adverse event analysis in a clinical laboratoryPeirong Chenon August 20, 2025 at 10:00 am

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Clin Chem Lab Med. 2025 Aug 21. doi: 10.1515/cclm-2025-0656. Online ahead of print. ABSTRACT OBJECTIVES: ISO 15189:2022 recommends the use of quality indicators (QIs) to monitor laboratory performance and focuses on risk management and continual improvement. This study aims to compare hospital laboratory data with national and international quality specifications and to share experiences in … Read more

Evaluation of measurement uncertainty of 11 serum proteins measured by immunoturbidimetric methods according to ISO/TS 20914: a 1-year laboratory data analysisEmine Feyza Yurton August 20, 2025 at 10:00 am

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Clin Chem Lab Med. 2025 Aug 21. doi: 10.1515/cclm-2025-0654. Online ahead of print. ABSTRACT OBJECTIVES: Measurement uncertainty (MU) plays an important role in the interpretation of laboratory results, but data on serum proteins analyzed by immunoturbidimetry according to ISO/TS 20914 are limited. METHODS: MU of 11 serum proteins, including CRP, RF, ASO, IgG, IgA, IgM, … Read more

Verification of the T50 Calciprotein Crystallization test: bias estimation and interferencesJoyce Y Xuon August 20, 2025 at 10:00 am

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Clin Chem Lab Med. 2025 Aug 20. doi: 10.1515/cclm-2025-0600. Online ahead of print. ABSTRACT OBJECTIVES: The T50 Calciprotein Crystallization test (T50 test) is a novel blood-based in vitro diagnostic assay that determines the calciprotein crystallization time in patients. It is based on the one-half maximum transition time of calciprotein particle 1 (CPP1) to calciprotein particle … Read more

Evaluating the performance of a multiparametric IgA assay for celiac disease diagnosisCaterina Maria Gambinoon August 20, 2025 at 10:00 am

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Clin Chem Lab Med. 2025 Aug 20. doi: 10.1515/cclm-2025-0705. Online ahead of print. ABSTRACT OBJECTIVES: Celiac disease (CD) is a systemic autoimmune disorder triggered by gluten in genetically predisposed individuals. Accurate diagnosis remains challenging due to clinical heterogeneity and reliance on invasive biopsy. This study aimed to evaluate the diagnostic performance of a novel multiparametric … Read more

Assessing the harmonization of current total vitamin B12 measurement methods: relevance and implicationsBruno Mario Cesanaon August 19, 2025 at 10:00 am

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Clin Chem Lab Med. 2025 Aug 20. doi: 10.1515/cclm-2025-0939. Online ahead of print. ABSTRACT OBJECTIVES: The UK National Institute for Health and Care Excellence has recommended thresholds for total vitamin B12 (B12) assays with interchangeable results for identifying B12 deficiency. We assessed the agreement between B12 methods, to evaluate whether the thresholds may be assumed … Read more

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