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| ACBI-CMCQAP | ACBI-CMC Vellore EQAS Programs | India | |
| Accredited Proficiency Testing program for Clinical Biochemistry and Clinical Pathology. Special features are assessment of other Biological fluids except CSF and pre analytical monitoring. | PRE-EQC | India | |
| ANSM - Czech Republic | ANSM | Czech Republic | |
| ANSM - France | ANSM | France | |
| AUSTOX Urine Toxicology Proficiency Program | PaLMS | Australia | |
| BEQAS | Bulgarian Society for Quality Assurance in Medical Laboratory | Bulgaria | |
| Blue Belt | Quality System Consulting SA de CV | Mexico | |
| Bolivia | N/A | Bolivia, Plurinational State of | |
| CECC | Standarization and Quality Control Committee | Uruguay | |
| CECC | Standarization and Quality Control Committee | Uruguay | |
| CRB | Centro di Ricerca Biomedica per la Qualità in Medicina di Laboratorio - Azienda Ospedaliera Università di Padova | Italy | |
| CROQALM | Croatian Centre for Quality Assessment in Laboratory Medicine | Croatia | |
| CRRVEQ | Centro Regionale di Riferimento per il Controllo di Qualità-Regione Toscana-AOU Careggi Firenze | Italy | |
| CRRVEQ | Centro Regionale Riferimento per il Controlo di Qualità | Italy | |
| CSCQ | CSCQ - Swiss Centre of Quality Control | Switzerland | |
| EEQ | Asqualab | Czech Republic | |
| EEQ | Asqualab | France | |
| EEQ | Biologie Prospective | France | |
| EEQ | Pro-Bio-Qual | Czech Republic | |
| EEQ | Pro-Bio-Qual | France | |
| EQAS | Bio-Rad Laboratories | United States | |
| EQAP | Iranian Association of Clinical Laboratory Doctors | Iran, Islamic Republic of | |
| FSVOK | National Centre for EQA in Lab Med | Russian Federation | |
| Guatemala | N/A | Guatemala | |
| HIV EQA | MOH/UTH Virology | Zambia | |
| IQMH | Institute for Quality Management in Healthcare, Centre for Proficiency Testing | Canada | |
| JAMT-QC | Japanese Association of Medical Techfalselogists | Japan | |
| JMAQC | Japan Medical Association | Japan | |
| KBUDEK | ASSOCIATION OF CLINICAL BIOCHEMISTRY SPECIALISTS, TURKEY | Türkiye | |
| LICON EXTERNAL QUALITY ASSURANCE SCHEME | INSTITUTO LICON S.C. | Mexico | |
| Malaria EQA | National Malaria Control Center | Zambia | |
| MQ | Verein für medizinische Qualitätskontrolle | Switzerland | |
| NEQAS | Medical research Institute | Sri Lanka | |
| NICD/WHO EQA | MOH/UTH Parasitology Lab | Zambia | |
| OEQUASTA | Austrian Society for Qualitiy Assurance and Standardization in Medical Laboratories | Austria | |
| PEEC | Asociación de Químicos Biólogos | Guatemala | |
| PEEC | Fundación Bioquímica Argentina | Argentina | |
| PEEC | Instituto de Salud Pública | Chile | |
| PEEC ABP/IICS | Asociación de Bioquímicos del Paragua | Paraguay | |
| QualiMedLab | Spin-off costituito dal Consiglio Nazionale delle Ricerche (CNR) di Pisa | Italy | |
| RCPAQAP | RCPA Quality Assurance Programs | Australia | |
| RfB | Reference Institute for Bioanalytics | Germany | |
| Ringversuch | BSD SRK Bern AG | Switzerland | |
| Ringversuch | Interregionale Blutspende SRK AG / Transfusion Interregionale CRS SA | Switzerland | |
| RIQAS | Biomedical Society | Zambia | |
| RoEQALM | RoEQALM | Romania | |
| Romania | Romania | ||
| RVZ-IRB | Interregionale Blutspende SRK AG / Transfusion Interregionale CRS SA | Switzerland | |
| SEKK | SEKK | Czech Republic | |
| SEQC-ML | Spanish Society of Laboratory Medicine | Spain | |
| Several/see www.labquality.fi | Labquality Ltd | Finland | |
| SKML | Stichting Kwaliteitsbewaking Medische Laboratoriumdiagfalsestiek | Netherlands | |
| SNEQAS | Clinical Institute of Clinical Chemistry - University Medical Centre Ljubljana | Slovenia | |
| SNEQAS-medical biochemistry | Society of Medical Biochemist of Serbia | Serbia | |
| TB EQA | MOH/TDRC/CDL | Zambia | |
| UK NEQAS | MOH/UTH Clinical Chemistry | Zambia | |
| UK NEQAS | MOH/UTH Virology | Zambia | |
| UKNEQAS | UKNEQAS | United Kingdom | |
| Waikato QC | Waikato District Health Board | New Zealand | |
| WEQAS | Cardiff and Vale University Health Board operating as WEQAS | United Kingdom | |
| ZINQAP | Zimbabwe National Quality Assurance Programs | Zimbabwe | |
| Zambia | Zambia | ||
| Zambia - 1 | Zambia | ||
| Zambia - 2 | Zambia | ||
| Zambia - 3 | Zambia | ||
| Zambia - 4 | Zambia |