Foundation for Quality Assessment in Medical Laboratory Diagnostics

Publications

2025

Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA) Part I – EQA in general and EQA programs in particular

Buchta C, Marrington R, De la Salle B, Albarède S, Badrick T, Bietenbeck A, Bullock D, Cadamuro J, Delatour V, Dusinovic E, Geilenkeuser WJ, Gidske G, Griesmacher A, Haliassos A, Holzhauser D, Huggett JF, Karathanos S, Pezzati P, Sandberg S, Sarkar A, Solsvik AE, Spannagl M, Thelen M, Restelli V, Perrone LA. Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA). Clin Chem Lab Med. 2025 Jan 6. doi: 10.1515/cclm-2024-1289. Epub ahead of print. PMID: 39753377.

Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA) Part II – EQA cycles

Buchta C, Marrington R, De la Salle B, Albarède S, Badrick T, Berghäll H, Bullock D, Coucke W, Delatour V, Geilenkeuser WJ, Griesmacher A, Henriksen GM, Huggett JF, Luppa PB, Pelanti J, Pezzati P, Sandberg S, Spannagl M, Thelen M, Restelli V, Perrone LA. Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA). Clin Chem Lab Med. 2025 Jan 6. doi: 10.1515/cclm-2024-1290. Epub ahead of print. PMID: 39753241.

Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA) Part III – EQA samples

Buchta C, Marrington R, De la Salle B, Albarède S, Albe X, Badrick T, Berghäll H, Bullock D, Cobbaert CM, Coucke W, Delatour V, Geilenkeuser WJ, Griesmacher A, Henriksen GM, Huggett JF, Juhos I, Kammel M, Luppa PB, Meijer P, Pelanti J, Pezzati P, Sandberg S, Spannagl M, Thelen M, Thomas A, Zeichhardt H, Restelli V, Perrone LA. Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA). Clin Chem Lab Med. 2025 Jan 6. doi: 10.1515/cclm-2024-1291. Epub ahead of print. PMID: 39753204.

Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA) Part IV - Benefits for participant laboratories

Buchta C, De la Salle B, Marrington R, Albarède S, Badrick T, Bicker W, Bietenbeck A, Bullock D, Delatour V, Dequeker E, Flasch M, Geilenkeuser WJ, van Hellemond J, Huggett JF, Ianovska V, Kaiser P, Kammel M, Kessler A, Laudus N, Luppa PB, Morandi PA, O'Connor G, Panteghini M, Pezzati P, Rosendahl J, Sandberg S, Scheiblauer H, Skitek M, Spannagl M, Stavelin A, Thelen M, Unterberger U, Zeichhardt H, Restelli V, Perrone LA. Behind the scenes of EQA-characteristics, capabilities, benefits and assets of external quality assessment (EQA). Clin Chem Lab Med. 2025 Jan 6. doi: 10.1515/cclm-2024-1292. Epub ahead of print. PMID: 39754494.

Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA) Part V –Benefits for stakeholders other than participants

Buchta C, De la Salle B, Marrington R, Aburto Almonacid A, Albarède S, Badrick T, Bullock D, Cobbaert CM, Coucke W, Delatour V, Faria AP, Geilenkeuser WJ, Griesmacher A, Huggett JF, Ianovska V, Kammel M, Kessler A, Körmöczi GF, Meijer P, Miranda A, Patel D, Pezzati P, Sandberg S, Schennach H, Schweiger CR, Schwenoha K, Spannagl M, Sung H, Thelen M, Weykamp C, Zeichhardt H, Restelli V, Perrone LA. Behind the scenes of EQA - characteristics, capabilities, benefits and assets of external quality assessment (EQA). Clin Chem Lab Med. 2025 Jan 6. doi: 10.1515/cclm-2024-1293. Epub ahead of print. PMID: 39753240.

2024

Equivalence in clinical assessment of iron status requires ferritin assay standardisation before harmonisation of ferritin reference intervals-Swinkels

Swinkels DW, van Schrojenstein Lantman M, Matlung HL, Weykamp C, Thelen M. Equivalence in clinical assessment of iron status requires ferritin assay standardisation before harmonisation of ferritin reference intervals. Lancet Haematol. 2024 Oct;11(10):e721. doi: 10.1016/S2352-3026(24)00245-X. PMID: 39362739.

External quality assessment-based tumor marker harmonization simulation; insights in achievable harmonization for CA 15-3 and CEA - Van Rossum

Van Rossum HH, Holdenrieder S, Yun YM, Patel D, Thelen M, Song J, Unsworth N, Partridge K, Moore M, Cui W, Ramanathan L, Meng QH, Ballieux BEPB, Sturgeon C, Vesper H. External quality assessment-based tumor marker harmonization simulation; insights in achievable harmonization for CA 15-3 and CEA. Clin Chem Lab Med. 2024 Sep 20. doi: 10.1515/cclm-2024-0696. Epub ahead of print. PMID: 39299928.

Clinical Decision-Making Suffers from Inequivalent Measurement Results and Inadequate Reference Intervals -van Schrojenstein Lantman

van Schrojenstein Lantman M, van Berkel M, Kuijper P, Langelaan M, Brouwer N, Thelen M. Clinical Decision-Making Suffers from Inequivalent Measurement Results and Inadequate Reference Intervals. Clin Chem. 2024 Sep 17:hvae129. doi: 10.1093/clinchem/hvae129. Epub ahead of print. PMID: 39288014.

Analytical performance specifications for trace elements in biological fluids derived from six countries federated external quality assessment schemes over 10 years

Arnaud J, Weykamp C, Wenzel R, Patriarca M, González-Estecha M, Janssen L, Fofou-Caillierez MB, Alemany MV, Patriarca V, de Graaf I, Persoons R, Panadès M, China B, Winkel MT, van der Vuurst H, Thelen M. Analytical performance specifications for trace elements in biological fluids derived from six countries federated external quality assessment schemes over 10 years. Clin Chem Lab Med. 2024 Jul 22. doi: 10.1515/cclm-2024-0551. Epub ahead of print. PMID: 39027966.

RIVM-HBV-EQA-report

Vanhulle E, Simões M, ten Bruin H, Boland G, Brandenburg A, Benschop K. Diagnostic evaluation of the serological detection performance on HBV surface antigens in the Netherlands. RIVM report.