Commutability

Abeynayake, J., Johnson, R., Libiran, P., Sahoo, M. K., Cao, H., Bowen, R., Chan, K. C., Le, Q. T., & Pinsky, B. A. (2014). Commutability of the Epstein-Barr virus WHO international standard across two quantitative PCR methods. J Clin Microbiol, 52(10), 3802-3804. https://doi.org/10.1128/JCM.01676-14 

Andreasson, U., Kuhlmann, J., Pannee, J., Umek, R. M., Stoops, E., Vanderstichele, H., Matzen, A., Vandijck, M., Dauwe, M., Leinenbach, A., Rutz, S., Portelius, E., Zegers, I., Zetterberg, H., & Blennow, K. (2018). Commutability of the certified reference materials for the standardization of beta-amyloid 1-42 assay in human cerebrospinal fluid: lessons for tau and beta-amyloid 1-40 measurements. Clinical Chemistry and Laboratory Medicine, 56(12), 2058-2066. https://doi.org/10.1515/cclm-2018-0147 

Arcangeli, L., Cueroni, P., Franzini, C., Galletta, G., Moschini, A., & Scapellato, L. (1996). Inter-method differences in the measurement of some specific plasma proteins: commutability of control materials. Eur J Clin Chem Clin Biochem, 34(1), 37-42. http://www.ncbi.nlm.nih.gov/pubmed/8704033   

Baadenhuijsen, H., Steigstra, H., Cobbaert, C., Kuypers, A., Weykamp, C., & Jansen, R. (2002). Commutability assessment of potential reference materials using a multicenter split-patient-sample between-field-methods (twin-study) design: Study within the framework of the Dutch project "Calibration 2000". Clin Chem, 48(9), 1520-1525. http://clinchem.aaccjnls.org/content/clinchem/48/9/1520.full.pdf 

Badrick, T., Miller, W. G., Panteghini, M., Delatour, V., Berghall, H., MacKenzie, F., & Jones, G. (2022). Interpreting EQA-Understanding Why Commutability of Materials Matters. Clin Chem, 68(4), 494-500. https://doi.org/ARTN hvac00210.1093/clinchem/hvac002 

Badrick, T., Punyalack, W., & Graham, P. (2018). Commutability and traceability in EQA programs. Clinical biochemistry, 56, 102-104. https://doi.org/10.1016/j.clinbiochem.2018.04.018 

Baral, R. M., Dhand, N. K., & Freeman, K. P. (2016). Commutability and interchangeability of commercial quality control materials with feline plasma for common biochemical analytes. Vet Clin Pathol, 45(2), 300-310. https://doi.org/10.1111/vcp.12357 

Bjerke, M., Andreasson, U., Kuhlmann, J., Portelius, E., Pannee, J., Lewczuk, P., Umek, R. M., Vanmechelen, E., Vanderstichele, H., Stoops, E., Lewis, J., Vandijck, M., Kostanjevecki, V., Jeromin, A., Salamone, S. J., Schmidt, O., Matzen, A., Madin, K., Eichenlaub, U., . . . Blennow, K. (2016). Assessing the commutability of reference material formats for the harmonization of amyloid-beta measurements. Clin Chem Lab Med, 54(7), 1177-1191. https://doi.org/10.1515/cclm-2015-0733 

Braga, F., & Panteghini, M. (2019). Commutability of reference and control materials: an essential factor for assuring the quality of measurements in Laboratory Medicine. Clin Chem Lab Med, 57(7), 967-973. https://doi.org/10.1515/cclm-2019-0154 

Brion, E., Lessinger, J. M., Gould, N., Leyendecker, J., & Ferard, G. (2002). Evaluation of commutability of control materials. Clin Chem Lab Med, 40(6), 625-630. https://doi.org/10.1515/CCLM.2002.108 

Budd, J. R., Weykamp, C., Rej, R., MacKenzie, F., Ceriotti, F., Greenberg, N., Camara, J. E., Schimmel, H., Vesper, H. W., Keller, T., Delatour, V., Panteghini, M., Burns, C., Miller, W. G., & Commutability, I. W. G. (2018). IFCC Working Group Recommendations for Assessing Commutability Part 3: Using the Calibration Effectiveness of a Reference Material. Clin Chem, 64(3), 465-474. https://doi.org/10.1373/clinchem.2017.277558 

Bukve, T. (2019). Commutability of a whole-blood external quality assessment material for point-of-care C-reactive protein, glucose, and hemoglobin testing. Clinica Chimica Acta, 493, S647-S647. https://doi.org/10.1016/j.cca.2019.03.1365 

Bukve, T., Sandberg, S., Vie, W. S., Solvik, U., Christensen, N. G., & Stavelin, A. (2019). Commutability of a Whole-Blood External Quality Assessment Material for Point-of-Care C-Reactive Protein, Glucose, and Hemoglobin Testing. Clin Chem, 65(6), 791-797. https://doi.org/10.1373/clinchem.2018.300202 

Burlina, A., Bonvicini, P., Plebani, M., & Zaninotto, M. (1988). Influence of isoenzyme patterns on commutability in enzyme determinations. Clin Chim Acta, 173(1), 35-41. http://www.ncbi.nlm.nih.gov/pubmed/3383423

Camara, J. E., Wise, S. A., Hoofnagle, A. N., Williams, E. L., Carter, G. D., Jones, J., Burdette, C. Q., Hahm, G., Nalin, F., Kuszak, A. J., Merkel, J., Durazo-Arvizu, R. A., Lukas, P., Cavalier, E., Popp, C., Beckert, C., Schultess, J., Van Slooten, G., Tourneur, C., . . . Sempos, C. T. (2021). Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) materials: Vitamin D Standardization Program (VDSP) Commutability Study 2. Analytical and Bioanalytical Chemistry, 413(20), 5067-5084. https://doi.org/10.1007/s00216-021-03470-w 

Candas-Estebanez, B., Cano-Corres, R., Dot-Bach, D., & Valero-Politi, J. (2012). Lack of commutability between a quality control material and plasma samples in a troponin I measurement system. Clin Chem Lab Med, 50(12), 2237-2238. https://doi.org/10.1515/cclm-2011-0738 

Carobene, A., Guerra, E., & Ceriotti, F. (2013). A mechanism-based way to evaluate commutability of control materials for enzymatic measurements. The example of gamma-glutamyltransferase. Clin Chim Acta, 424, 153-158. https://doi.org/10.1016/j.cca.2013.06.012 

Cattozzo, G., & Franzini, C. (2013). Commutability: a peculiar property of calibration and control materials. Definition and evaluation. Clin Chem Lab Med, 51(8), e167-168. https://doi.org/10.1515/cclm-2013-0065 

Cattozzo, G., Franzini, C., & d'Eril, G. M. (2001). Commutability of calibration and control materials for serum lipase. Clin Chem, 47(12), 2108-2113. https://air.unimi.it/retrieve/handle/2434/51241/205948/Commutability%20of%20Calibration%20and%20Control.pdf 

Cattozzo, G., Franzini, C., & Melzi d'Eril, G. M. (2001). Commutability of calibration and control materials for serum lipase. Clin Chem, 47(12), 2108-2113. http://www.ncbi.nlm.nih.gov/pubmed/11719474

Ceriotti, F., De Luca, U., Franzini, C., Prencipe, L., & Rizza, V. (1988). Serum amylase activity determination: commutability of control materials in a new method. Ann Clin Biochem, 25 ( Pt 4), 424-425. http://www.ncbi.nlm.nih.gov/pubmed/2463781

Christenson, R. H., Duh, S. H., Apple, F. S., Bodor, G. S., Bunk, D. M., Panteghini, M., Welch, M. J., Wu, A. H., & Kahn, S. E. (2006). Toward standardization of cardiac troponin I measurements part II: assessing commutability of candidate reference materials and harmonization of cardiac troponin I assays. Clin Chem, 52(9), 1685-1692. https://doi.org/10.1373/clinchem.2006.068437 

Clark, P. M., Kricka, L. J., & Whitehead, T. P. (1981). Matrix effects in clinical analysis: commutability of control materials between the Ektachem, Beckman and SMA 12/60 glucose and urea methods. Clin Chim Acta, 113(3), 293-303. http://www.ncbi.nlm.nih.gov/pubmed/7261400 

Clark, P. M. S., Kricka, L. J., & Whitehead, T. P. (1981). Matrix Effects in Clinical Analysis - Commutability of Control Materials between the Ektachem, Beckman and Sma 12-60 Glucose and Urea Methods. Clinica Chimica Acta, 113(3), 293-303. https://doi.org/10.1016/0009-8981(81)90282-5    

CLSI. (2018). EP14 Evaluation of Commutability of Processed Samples, 3rd Edition. In: Clinical and Laboratory Standards Institute. https://community.clsi.org/media/1432/ep14a3_sample.pdf

Cramb, R., French, J., Mackness, M., Neely, R. D., Caslake, M., & MacKenzie, F. (2008). Lipid external quality assessment: commutability between external quality assessment and clinical specimens. Ann Clin Biochem, 45(Pt 3), 260-265. https://doi.org/10.1258/acb.2007.007120 

Delatour, V., Liu, Q. D., Vesper, H. W., & Grp, L.-L. W. (2016). Commutability Assessment of External Quality Assessment Materials with the Difference in Bias Approach: Are Acceptance Criteria Based on Medical Requirements too Strict? Clin Chem, 62(12), 1670-1671. https://doi.org/10.1373/clinchem.2016.261008 

Deprez, L., Toussaint, B., Zegers, I., Schimmel, H., Grote-Koska, D., Klauke, R., Gella, F. J., Orth, M., Lessinger, J. M., Trenti, T., Nilsson, G., & Ceriotti, F. (2018a). Commutability Assessment of Candidate Reference Materials for Pancreatic alpha-Amylase. Clin Chem, 64(8), 1193-1202. https://doi.org/10.1373/clinchem.2018.289744 

Deprez, L., Toussaint, B., Zegers, I., Schimmel, H., Grote-Koska, D., Klauke, R., Gella, F. J., Orth, M., Lessinger, J. M., Trenti, T., Nilsson, G., & Ceriotti, F. (2018b). Commutability Assessment of Candidate Reference Materials for Pancreatic alpha-Amylase. Clin Chem, 64(8), 1193-1202. https://doi.org/10.1373/clinchem.2018.289744 

Dumont, P., Goussot, V., David, A., Lizard, S., & Riedinger, J. M. (2017). Identification and validation of a factor of commutability between platelet counts performed on EDTA and citrate. Annales De Biologie Clinique, 75(1), 61-66. https://doi.org/10.1684/abc.2016.1211 

Emma, G., Snell, J., Charoud-Got, J., Held, A., & Emons, H. (2018). Feasibility study of a candidate reference material for ions in PM2.5: does commutability matter also for inorganic matrices? Analytical and Bioanalytical Chemistry, 410(23), 6001-6008. https://doi.org/10.1007/s00216-018-1220-6 

Ferguson, J., Patel, D., Atkinson, E., Rigsby, P., & Burns, C. (2019). Continued provision of WHO International Standards for total and free PSA: Content and commutability of replacement preparations. Clinical biochemistry, 71, 58-66. https://doi.org/10.1016/j.clinbiochem.2019.07.007 

Franzini, C. (1993). Commutability of reference materials in clinical chemistry. Journal of the International Federation of Clinical Chemistry / IFCC, 5(4), 169-173. http://www.ncbi.nlm.nih.gov/pubmed/10146393 

Ge, M., Zhao, H., Yan, Y., Zhang, T., Zeng, J., Wang, Y., Meng, Q., & Zhang, C. (2016). Evaluation of the Bias of Serum Magnesium Measurements and the Commutability of Processed Materials. Clin Lab, 62(5), 921-930. http://www.ncbi.nlm.nih.gov/pubmed/27349020 

Goossens, K., Van Uytfanghe, K., & Thienpont, L. M. (2015). Calculation of non-commutability budgets by t-testing. Clin Chim Acta, 438, 212-213. https://doi.org/10.1016/j.cca.2014.08.035 

Gould, N., Moller, J., & Andrieux, L. (2008). The commutability of external quality assurance serum and reference serum materials between the VITROS Albumin Slide and four other routine albumin methods. Ann Clin Biochem, 45(Pt 1), 76-82. https://doi.org/10.1258/acb.2007.007130 

Gubern, G., Canalias, F., & Gella, F. J. (1995). Determination of alpha-amylase activity: methods comparison and commutability study of several control materials. Clin Chem, 41(3), 435-438. http://www.ncbi.nlm.nih.gov/pubmed/7882519

Guo, Q., Wang, J., Yi, X. L., Zeng, J., Zhou, W. Y., Zhao, H. J., Zhang, T. J., & Zhang, C. B. (2020). Commutability of reference materials for alkaline phosphatase measurements. Scandinavian Journal of Clinical & Laboratory Investigation, 80(5), 388-394. https://doi.org/10.1080/00365513.2020.1747111 

Hasenhindl, C., Traxlmayr, M. W., Wozniak-Knopp, G., Jones, P. C., Stadlmayr, G., Ruker, F., & Obinger, C. (2013). Stability assessment on a library scale: a rapid method for the evaluation of the commutability and insertion of residues in C-terminal loops of the CH3 domains of IgG1-Fc. Protein Eng Des Sel, 26(10), 675-682. https://doi.org/10.1093/protein/gzt041 

Hayden, R. T., Preiksaitis, J., Tong, Y., Pang, X., Sun, Y., Tang, L., Cook, L., Pounds, S., Fryer, J., & Caliendo, A. M. (2015). Commutability of the First World Health Organization International Standard for Human Cytomegalovirus. J Clin Microbiol, 53(10), 3325-3333. https://doi.org/10.1128/JCM.01495-15 

Hayden, R. T., Shahbazian, M. D., Valsamakis, A., Boonyaratanakornkit, J., Cook, L., Pang, X. L., Preiksaitis, J. K., Schonbrunner, E. R., & Caliendo, A. M. (2013). Multicenter evaluation of a commercial cytomegalovirus quantitative standard: effects of commutability on interlaboratory concordance. J Clin Microbiol, 51(11), 3811-3817. https://doi.org/10.1128/JCM.02036-13 

Hayden, R. T., Tang, L., Su, Y., Cook, L., Gu, Z., Jerome, K. R., Boonyaratanakornkit, J., Sam, S., Pounds, S., & Caliendo, A. M. (2020). Impact of Fragmentation on Commutability of Epstein-Barr Virus and Cytomegalovirus Quantitative Standards. Journal of Clinical Microbiology, 58(1). https://doi.org/ARTN e00888-1910.1128/JCM.00888-19

Ihara, H., Watanabe, T., Hashizume, N., Totani, M., Kamioka, K., Onda, K., Sunahara, S., Suzuki, T., Itabashi, M., Aoki, Y., Ishibashi, M., Ito, S., Ohashi, K., Enomoto, T., Saito, K., Saeki, K., Nagamura, Y., Nobori, T., Hirota, K., . . . Ohta, Y. (2010). Commutability of National Institute of Standards and Technology standard reference material 1955 homocysteine and folate in frozen human serum for total folate with automated assays. Ann Clin Biochem, 47(Pt 6), 541-548. https://doi.org/10.1258/acb.2010.010094 

Infusino, I., Braga, F., Valente, C., & Panteghini, M. (2011). Commutability of the ERM-DA470k reference material for two assays measuring serum albumin using immunochemical principles. Clin Chem Lab Med, 49(8), 1383-1384. https://doi.org/10.1515/CCLM.2011.619 

Infusino, I., Frusciante, E., Ferrero, C. A., & Panteghini, M. (2012). Commutability of two JCTLM-listed secondary reference materials for two commercial lithium assays. Clin Chim Acta, 414, 152-153. https://doi.org/10.1016/j.cca.2012.09.001 

Jacobs, J., Fokkert, M., Slingerland, R., De Schrijver, P., & Van Hoovels, L. (2016). A further cautionary tale for interpretation of external quality assurance results (EQA): Commutability of EQA materials for point-of-care glucose meters. Clinica Chimica Acta, 462, 146-147. https://doi.org/10.1016/j.cca.2016.09.012 

Jennings, I., Kitchen, D., Kitchen, S., Woods, T., & Walker, I. (2019). The importance of commutability in material used for quality control purposes. International Journal of Laboratory Hematology, 41(1), 39-45. https://doi.org/10.1111/ijlh.12918 

Jennings, I., Kitchen, S., Kitchen, D. P., Munroe-Peart, S., Brown, L., Woods, T. A. L., & Walker, I. D. (2016). Commutability of samples used to assess assays for direct oral anticoagulants (DOACS): Data from UK NEQAS for Blood Coagulation multicentre studies. British Journal of Haematology, 173, 53-53.

Johnson, A. M., Ledue, T. B., & Collins, M. F. (2003). Commutability of the CRM 470 C-reactive protein value in the Dade Behring N High Sensitivity CRP assay. Clin Chem Lab Med, 41(2), 177-182. https://doi.org/10.1515/CCLM.2003.029 

Jones, G. R. D., Delatour, V., & Badrick, T. (2022). Metrological traceability and clinical traceability of laboratory results - the role of commutability in External Quality Assurance. Clinical Chemistry and Laboratory Medicine, 60(5), 669-674. https://doi.org/10.1515/cclm-2022-0038 

Jones, S., Webb, E. M., Barry, C. P., Choi, W. S., Abravaya, K. B., Schneider, G. J., & Ho, S. Y. (2016). Commutability of Cytomegalovirus WHO International Standard in Different Matrices. J Clin Microbiol, 54(6), 1512-1519. https://doi.org/10.1128/JCM.03292-15 

Kim, S. Y., Chun, S., Lee, W., & Min, W. K. (2013). Commutability of proficiency testing (PT): status of the matrix-related bias in general clinical chemistry. Clin Chem Lab Med, 51(8), e169-173. https://doi.org/10.1515/cclm-2013-0117 

Kimberly, M. M., Caudill, S. P., Vesper, H. W., Monsell, E. A., Miller, W. G., Rej, R., Rifai, N., Dati, F., & Myers, G. L. (2009). Standardization of high-sensitivity immunoassays for measurement of C-reactive protein; II: Two approaches for assessing commutability of a reference material. Clin Chem, 55(2), 342-350. https://doi.org/10.1373/clinchem.2008.115907 

Korzun, W. J., Nilsson, G., & Bachmann, L. M. (2015). Difference in Bias Approach for Commutability Assessment: Application to Frozen Pools of Human Serum Measured by 8 Direct Methods for HDL and LDL Cholesterol (vol 61, pg 1107, 2015). Clin Chem, 61(11), 1419-1419. https://doi.org/10.1373/clinchem.2015.248393 

Ledue, T. B., & Johnson, A. M. (2001). Commutability of serum protein values: persisting bias among manufacturers using values assigned from the certified reference material 470 (CRM 470) in the United States. Clin Chem Lab Med, 39(11), 1129-1133. https://doi.org/10.1515/CCLM.2001.178 

Li, C. B., Peng, M. T., Xu, D. S., Lu, H., Zhou, W. B., Liu, Y. H., Liu, X. L., & Chen, W. X. (2019). Commutability assessment of reference materials for the enumeration of lymphocyte subsets. Clinical Chemistry and Laboratory Medicine, 57(5), 697-706. https://doi.org/10.1515/cclm-2018-0915 

Li, C. B., Peng, M. T., Xu, D. S., Zhou, W. B., Lu, H., Liu, X. L., & Chen, W. X. (2018). Commutability Assessment of Reference Materials for Enumeration of Lymphocyte Subsets. International Journal of Laboratory Hematology, 40, 86-86. https://pubmed.ncbi.nlm.nih.gov/30838835

Lippi, G., Cervellin, G., Aloe, R., Montagnana, M., Salvagno, G. L., & Guidi, G. C. (2012). Non-commutability of results of highly sensitive troponin I and T immunoassays. Biochem Med (Zagreb), 22(1), 127-129. http://www.ncbi.nlm.nih.gov/pubmed/22384528

Maasoumy, B., Bremer, B., Lehmann, P., Marins, E. G., Michel-Treil, V., Simon, C. O., Njoya, M., Cornberg, M., Paxinos, E., Manns, M. P., Vermehren, J., Sarrazin, C., Sohn, J. Y., Cho, Y., & Wedemeyer, H. (2017). Commutability and concordance of four hepatitis B virus DNA assays in an international multicenter study. Therapeutic Advances in Gastroenterology, 10(8), 609-618. https://doi.org/10.1177/1756283x17722745

Mackay, L. G. (2020). Further Recommendations on Commutability Assessment. Clin Chem, 66(6), 749-750. https://doi.org/10.1093/clinchem/hvaa090 

Meng, Q. H., Zhou, W. Y., Zhang, C. B., Zeng, J., Zhao, H. J., Zhang, T. J., Wang, D. H., Zhang, J. T., Yan, Y., & Chen, W. X. (2017). Serum triglyceride measurements: the commutability of reference materials and the accuracy of results. Clinical Chemistry and Laboratory Medicine, 55(9), 1284-1290. https://doi.org/10.1515/cclm-2016-0682 

Miller, W. G. (2003). Specimen materials, target values and commutability for external quality assessment (proficiency testing) schemes. Clin Chim Acta, 327(1-2), 25-37. http://www.ncbi.nlm.nih.gov/pubmed/12482616

Miller, W. G., Budd, J., Greenberg, N., Weykamp, C., Althaus, H., Schimmel, H., Panteghini, M., Delatour, V., Ceriotti, F., Keller, T., Hawkins, D., Burns, C., Rej, R., Camara, J. E., Mackenzie, F., van der Hagen, E., Vesper, H., & Commutability, I. W. G. (2020). IFCC Working Group Recommendations for Correction of Bias Caused by Noncommutability of a Certified Reference Material Used in the Calibration Hierarchy of an End-User Measurement Procedure. Clin Chem, 66(6), 769-778. https://doi.org/10.1093/clinchem/hvaa048 

Miller, W. G., Erek, A., Cunningham, T. D., Oladipo, O., Scott, M. G., & Johnson, R. E. (2011). Commutability limitations influence quality control results with different reagent lots. Clin Chem, 57(1), 76-83. https://doi.org/10.1373/clinchem.2010.148106 

Miller, W. G., Greenberg, N., Budd, J., Delatour, V., & Met, I. W. G. C. (2021). The evolving role of commutability in metrological traceability. Clinica Chimica Acta, 514, 84-89. https://doi.org/10.1016/j.cca.2020.12.021 

Miller, W. G., & Myers, G. L. (2013). Commutability still matters. Clin Chem, 59(9), 1291-1293. https://doi.org/10.1373/clinchem.2013.208785 

Miller, W. G., Myers, G. L., & Rej, R. (2006). Why commutability matters. Clin Chem, 52(4), 553-554. https://doi.org/10.1373/clinchem.2005.063511 

Miller, W. G., Schimmel, H., Rej, R., Greenberg, N., Ceriotti, F., Burns, C., Budd, J. R., Weykamp, C., Delatour, V., Nilsson, G., MacKenzie, F., Panteghini, M., Keller, T., Camara, J. E., Zegers, I., Vesper, H. W., & Commutability, I. W. G. (2018). IFCC Working Group Recommendations for Assessing Commutability Part 1: General Experimental Design. Clin Chem, 64(3), 447-454. https://doi.org/10.1373/clinchem.2017.277525 

Monogioudi, E., Sheldon, J., Meroni, P. L., & Zegers, I. (2019). On the lookout for the best candidate material to develop a certified reference material for PR3 ANCA IGG antibodies: A commutability story. Clinica Chimica Acta, 493, S669-S670. https://doi.org/10.1016/j.cca.2019.03.1539 

Mosca, A., Paleari, R., Made, A., Ferrero, C., Locatelli, M., & Ceriotti, F. (1998). Commutability of control materials in glycohemoglobin determinations. Clin Chem, 44(3), 632-638. http://www.ncbi.nlm.nih.gov/pubmed/9510872

Mosca, A., Paleari, R., Scime-Degani, V., Leone, L., Leone, D., & Ivaldi, G. (2000). Inter-method differences and commutability of control materials for HbA2 measurement. Clin Chem Lab Med, 38(10), 997-1002. https://doi.org/10.1515/CCLM.2000.148 

Moss, D. W., & Whicher, J. T. (1995). Reference materials and reference measurement systems in laboratory medicine. Commutability and the problem of method-dependent results. Eur J Clin Chem Clin Biochem, 33(12), 1003-1007. http://www.ncbi.nlm.nih.gov/pubmed/8845416 

Nelson, B. C., Pfeiffer, C. M., Zhang, M., Duewer, D. L., Sharpless, K. E., & Lippa, K. A. (2008). Commutability of NIST SRM 1955 Homocysteine and Folate in Frozen Human Serum with selected total homocysteine immunoassays and enzymatic assays. Clin Chim Acta, 395(1-2), 99-105. https://doi.org/10.1016/j.cca.2008.05.016 

Nilsson, G., Budd, J. R., Greenberg, N., Delatour, V., Rej, R., Panteghini, M., Ceriotti, F., Schimmel, H., Weykamp, C., Keller, T., Camara, J. E., Burns, C., Vesper, H. W., MacKenzie, F., Miller, W. G., & Commutability, I. W. G. (2018). IFCC Working Group Recommendations for Assessing Commutability Part 2: Using the Difference in Bias between a Reference Material and Clinical Samples. Clin Chem, 64(3), 455-464. https://doi.org/10.1373/clinchem.2017.277541 

Phinney, K. W., Sempos, C. T., Tai, S. S. C., Camara, J. E., Wise, S. A., Eckfeldt, J. H., Hoofnagle, A. N., Carter, G. D., Jones, J., Myers, G. L., Durazo-Arvizu, R., Miller, W. G., Bachmann, L. M., Young, I. S., Pettit, J., Caldwell, G., Liu, A., Brooks, S. P. J., Sarafin, K., . . . Prentice, A. (2017). Baseline Assessment of 25-Hydroxyvitamin B Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin B Standardization Program Study. Journal of Aoac International, 100(5), 1288-1293. https://doi.org/10.5740/jaoacint.17-0291 

Rami, L., Roura, M., & Canalias, F. (2012). Evaluation of commutability of several materials for harmonization alkaline phosphatase catalytic concentration measurements. Clin Chim Acta, 413(15-16), 1249-1254. https://doi.org/10.1016/j.cca.2012.04.004 

Rej, R. (1993). Accurate enzyme activity measurements. Two decades of development in the commutability of enzyme quality control materials. Arch Pathol Lab Med, 117(4), 352-364. http://www.ncbi.nlm.nih.gov/pubmed/8466397 

Ricos, C., Juvany, R., Alvarez, V., Jimenez, C. V., Perich, C., Minchinela, J., Hernandez, A., & Simon, M. (1997). Commutability between stabilized materials and fresh human serum to improve laboratory performance. Clin Chim Acta, 263(2), 225-238. http://www.ncbi.nlm.nih.gov/pubmed/9246426 

Ricos, C., Juvany, R., Jimenez, C. V., Perich, C., Minchinela, J., Hernandez, A., Simon, M., & Alvarez, V. (1997). Procedure for studying commutability validated by biological variation. Clin Chim Acta, 268(1-2), 73-83. http://www.ncbi.nlm.nih.gov/pubmed/9495572

Ricos, C., Juvany, R., Simon, M., Hernandez, A., Alvarez, V., Jimenez, C. V., Minchinela, J., & Perich, C. (1999). Commutability and traceability: their repercussions on analytical bias and inaccuracy. Clin Chim Acta, 280(1-2), 135-145. http://www.ncbi.nlm.nih.gov/pubmed/10090531

Robijns, K., Boone, N. W., Jansen, R. T. P., Kuypers, A. W. H. M., Neef, C., & Touw, D. J. (2017). Commutability of proficiency testing material containing tobramycin: a study within the framework of the Dutch Calibration 2.000 project. Clinical Chemistry and Laboratory Medicine, 55(2), 212-217. https://doi.org/10.1515/cclm-2015-1254 

Robijns, K., Boone, N. W., Jansen, R. T. P., Kuypers, A. W. H. M., Neef, C., & Touw, D. J. (2019). Commutability of proficiency testing material containing amitriptyline and nortriptyline: A study within the framework of the Dutch Calibration 2.000 project. Clinica Chimica Acta, 498, 6-10. https://doi.org/10.1016/j.cca.2019.07.036 

Robijns, K., Boone, N. W., Kuypers, A. W., Jansen, R. T., Neef, C., & Touw, D. J. (2015). A Multilaboratory Commutability Evaluation of Proficiency Testing Material for Carbamazepine and Valproic Acid: A Study Within the Framework of the Dutch Calibration 2000 Project. Ther Drug Monit, 37(4), 445-450. https://doi.org/10.1097/FTD.0000000000000164 

Roraas, T. H., Van Houcke, S. K., Stockl, D., & Thienpont, L. M. (2012). Statistical power for commutability testing in the presence of random, sample-related effects by use of the EP14 protocol. Clinica Chimica Acta, 413(19-20), 1710-1711. https://doi.org/10.1016/j.cca.2012.05.002

Scharnhorst, V., Apperloo, J., Baadenhuijsen, H., & Vader, H. L. (2004). Multicenter evaluation of the commutability of a potential reference material for harmonization of enzyme activities. Clin Chem Lab Med, 42(12), 1401-1407. https://doi.org/10.1515/CCLM.2004.261

Stickings, P., Rigsby, P., Coombes, L., von Hunolstein, C., Ralli, L., Pinto, A., & Sesardic, D. (2013). Calibration and commutability assessment of the 1st International Standard for Diphtheria Antitoxin Human. Biologicals, 41(6), 384-392. https://doi.org/10.1016/j.biologicals.2013.08.001 

Stockl, D., Stepman, H. C., Van Houcke, S. K., & Thienpont, L. M. (2010). Importance of sample-related effects for commutability testing according to the EP14 protocol. Clin Chim Acta, 411(17-18), 1378-1379. https://doi.org/10.1016/j.cca.2010.04.024 

Stockl, D., & Thienpont, L. M. (2008). Introduction of non-linearity by data transformation in method comparison and commutability studies. Clin Chem Lab Med, 46(12), 1784-1785. https://doi.org/10.1515/CCLM.2008.342 

Tang, L., Su, Y., Gu, Z., Caliendo, A. M., Pounds, S., & Hayden, R. T. (2019). A Comprehensive Statistical Framework for Determination of Commutability, Accuracy, and Agreement in Clinical DNAemia Assays. Journal of Clinical Microbiology, 57(1). https://doi.org/ARTN e00963-1810.1128/JCM.00963-18 

Tang, L., Su, Y., Pounds, S., & Hayden, R. T. (2018). Quantitative Inference of Commutability for Clinical Viral Load Testing. Journal of Clinical Microbiology, 56(6). https://doi.org/ARTN e00146-1810.1128/JCM.00146-18 

Tang, L., Sun, Y., Buelow, D., Gu, Z., Caliendo, A. M., Pounds, S., & Hayden, R. T. (2016). Quantitative Assessment of Commutability for Clinical Viral Load Testing Using a Digital PCR-Based Reference Standard. J Clin Microbiol, 54(6), 1616-1623. https://doi.org/10.1128/JCM.03346-15 

van den Besselaar, A. M. H. P., van Rijn, C. J. J., Cobbaert, C. M., Reijnierse, G. L. A., Hollestelle, M. J., Niessen, R. W. L. M., & Hudig, F. (2017). Fibrinogen determination according to Clauss: commutability assessment of International and commercial standards and quality control samples. Clinical Chemistry and Laboratory Medicine, 55(11), 1761-1769. https://doi.org/10.1515/cclm-2016-1088 

Vesper, H. W., Miller, W. G., & Myers, G. L. (2007). Reference materials and commutability. Clin Biochem Rev, 28(4), 139-147. http://www.ncbi.nlm.nih.gov/pubmed/18392124

Vidali, M., Carobene, A., Esposito, S. A., Napolitano, G., Caracciolo, A., Seghezzi, M., Previtali, G., Lippi, G., & Buoro, S. (2020). Standardization and harmonization in hematology: Instrument alignment, quality control materials, and commutability issue. International Journal of Laboratory Hematology. https://doi.org/10.1111/ijih.13379 

Wang, Y., Plebani, M., Sciacovelli, L., Zhang, S. L., Wang, Q. T., & Zhou, R. (2020). Commutability of external quality assessment materials for point-of-care glucose testing using the Clinical and Laboratory Standards Institute and International Federation of Clinical Chemistry approaches. Journal of clinical laboratory analysis, 34(8). https://doi.org/ARTNe2332710.1002/jcla.23327 

Wood, W. G. (2007). Sample commutability in external quality assessment surveys (EQAS) for thyroid-related antibodies--state of the art. Clin Lab, 53(3-4), 217-222. http://www.ncbi.nlm.nih.gov/pubmed/17447660 

Yan, Y., Han, B. Q., Zhao, H. J., Ma, R., Wang, J., Wang, D. H., Hu, C. H., Chen, W. X., & Zhang, C. B. (2019). Commutability of external quality assessment materials for serum sodium and potassium measurements. Clinical Chemistry and Laboratory Medicine, 57(4), 465-475. https://doi.org/10.1515/cclm-2018-0385 

Yan, Y., Pu, Y. G., Long, Q. C., Zhang, J. T., Zhang, T. J., Zhou, W. Y., Zeng, J., Zhang, C., Chen, W. X., & Zhang, C. B. (2019). Commutability of external quality assessment materials for serum magnesium and calcium measurements. Scandinavian Journal of Clinical & Laboratory Investigation, 79(6), 404-411. https://doi.org/10.1080/00365513.2019.1636404 

Young, I. S. (2018). The Enduring Importance and Challenge of Commutability. Clin Chem, 64(3), 421-423. https://doi.org/10.1373/clinchem.2017.284216 

Yue, Y. H., Zhang, S. L., Xu, Z. Z., Chen, X., & Wang, Q. T. (2017). Commutability of Reference Materials for alpha-Fetoprotein in Human Serum. Arch Pathol Lab Med, 141(10), 1421-1427. https://doi.org/10.5858/arpa.2016-0441-OA 

Zegers, I., Beetham, R., Keller, T., Sheldon, J., Bullock, D., MacKenzie, F., Trapmann, S., Emons, H., & Schimmel, H. (2013). The Importance of Commutability of Reference Materials Used as Calibrators: The Example of Ceruloplasmin. Clin Chem, 59(9), 1322-1329. https://doi.org/10.1373/clinchem.2012.201954 

Zeleny, R., Emteborg, H., & Schimmel, H. (2010). Assessment of commutability for candidate certified reference material ERM-BB130 "chloramphenicol in pork". Analytical and Bioanalytical Chemistry, 398(3), 1457-1465. https://doi.org/10.1007/s00216-010-4022-z 

Zeng, J., Qi, T. Q., Wang, S., Zhang, T. J., Zhou, W. Y., Zhao, H. J., Ma, R., Zhang, J. T., Yan, Y., Dong, J., Zhang, C. B., & Chen, W. X. (2018). Commutability of control materials for external quality assessment of serum apolipoprotein A-I measurement. Clinical Chemistry and Laboratory Medicine, 56(5), 789-795. https://doi.org/10.1515/cclm-2017-0652 

Zhang, L., Wu, Y., Wu, G., Cao, Y., & Lu, C. (2014). Correction of the lack of commutability between plasmid DNA and genomic DNA for quantification of genetically modified organisms using pBSTopas as a model. Analytical and Bioanalytical Chemistry, 406(25), 6385-6397. https://doi.org/10.1007/s00216-014-8056-5 

Zhang, R., & Wang, Q. T. (2020). Comparability of four clinical laboratory measurement methods for GGT and commutability of candidate reference materials. Journal of clinical laboratory analysis. https://doi.org/ARTN e2355710.1002/jcla.23557 

Zhang, S. L., Zeng, J., Zhang, C. B., Li, Y. L., Zhao, H. J., Cheng, F., Yu, S. L., Wang, M., & Chen, W. X. (2014). Commutability of Possible External Quality Assessment Materials for Cardiac Troponin Measurement. PLoS One, 9(7). https://doi.org/ARTNe10204610.1371/journal.pone.0102046 

Zhao, H. J., Ge, M. L., Yu, Y., Zhang, T. J., Zang, J., Zhou, W. Y., Wang, Y. F., Meng, Q. H., & Zhang, C. B. (2018). Inductively Coupled Plasma Mass Spectrometry as a Reference Method to Evaluate Serum Calcium Measurement Bias and the Commutability of Processed Materials during Routine Measurements. Chinese Medical Journal, 131(13), 1584-1590. https://doi.org/10.4103/0366-6999.235109