Oneworld Accuracy (1WA)
Accreditation self-declared (A2LA)
Vancouver-based EQA provider offering proficiency testing programmes across clinical disciplines, including chemistry, haematology, coagulation, transfusion medicine, immunology, serology, microbiology, molecular diagnostics and andrology, with a partner and distributor network in many countries. It also supplies EQA software and support to other EQA providers.
Testing fields
- Clinical chemistry
- Haematology & coagulation
- Immunology & serology
- Microbiology
- Molecular diagnostics & genetics
- Transfusion & blood bank
- Other
Schemes (13)
Chemistry EQA
- Clinical chemistry
- Analytes
- Serum chemistry/immunoassay, blood gas/electrolytes, co-oximetry, immunosuppressants, urine chemistry, urine drugs of abuse, trace elements, sweat testing
Hematology EQA
- Haematology & coagulation
- Analytes
- Haematology with/without differential, reticulocytes, ESR, body fluids, lymphocyte immunophenotyping, cell morphology
Coagulation EQA
- Haematology & coagulation
- Analytes
- Coagulation, D-dimer, thrombophilia
Transfusion Medicine EQA
- Transfusion & blood bank
- Analytes
- Blood grouping, direct antiglobulin testing, compatibility testing, antibody detection and identification, antigen typing
Clinical Microscopy EQA
- Other
Diagnostic Immunology EQA
- Immunology & serology
- Analytes
- Autoimmunity panels, allergy, CRP, rheumatoid factor, ASO
Clinical Serology EQA
- Immunology & serology
- Analytes
- EBV, HIV, H. pylori antibody, herpes simplex, Lyme disease, infectious mononucleosis, SARS-CoV-2
Andrology EQA
- Other
- Analytes
- Sperm count, morphology, viability and motility
Bacteriology EQA
- Microbiology
Mycobacteriology EQA
- Microbiology
Mycology EQA
- Microbiology
Parasitology EQA
- Microbiology
SARS-CoV-2 Molecular
- Molecular diagnostics & genetics
| Scheme | Testing fields | Sample type | Analytes | Rounds/yr | Link |
|---|---|---|---|---|---|
| Chemistry EQA |
| — | Serum chemistry/immunoassay, blood gas/electrolytes, co-oximetry, immunosuppressants, urine chemistry, urine drugs of abuse, trace elements, sweat testing | — | Scheme page for Chemistry EQA (opens in a new tab) |
| Hematology EQA |
| — | Haematology with/without differential, reticulocytes, ESR, body fluids, lymphocyte immunophenotyping, cell morphology | — | Scheme page for Hematology EQA (opens in a new tab) |
| Coagulation EQA |
| — | Coagulation, D-dimer, thrombophilia | — | Scheme page for Coagulation EQA (opens in a new tab) |
| Transfusion Medicine EQA |
| — | Blood grouping, direct antiglobulin testing, compatibility testing, antibody detection and identification, antigen typing | — | Scheme page for Transfusion Medicine EQA (opens in a new tab) |
| Clinical Microscopy EQA |
| — | — | — | Scheme page for Clinical Microscopy EQA (opens in a new tab) |
| Diagnostic Immunology EQA |
| — | Autoimmunity panels, allergy, CRP, rheumatoid factor, ASO | — | Scheme page for Diagnostic Immunology EQA (opens in a new tab) |
| Clinical Serology EQA |
| — | EBV, HIV, H. pylori antibody, herpes simplex, Lyme disease, infectious mononucleosis, SARS-CoV-2 | — | Scheme page for Clinical Serology EQA (opens in a new tab) |
| Andrology EQA |
| — | Sperm count, morphology, viability and motility | — | Scheme page for Andrology EQA (opens in a new tab) |
| Bacteriology EQA |
| — | — | — | Scheme page for Bacteriology EQA (opens in a new tab) |
| Mycobacteriology EQA |
| — | — | — | Scheme page for Mycobacteriology EQA (opens in a new tab) |
| Mycology EQA |
| — | — | — | Scheme page for Mycology EQA (opens in a new tab) |
| Parasitology EQA |
| — | — | — | Scheme page for Parasitology EQA (opens in a new tab) |
| SARS-CoV-2 Molecular |
| — | — | — | Scheme page for SARS-CoV-2 Molecular (opens in a new tab) |
Accreditation
- Status
- Accreditation self-declared
- Accreditation body
- A2LA
- Certificate number
- 4839.01
Self-declared: stated by the provider and not yet verified by EqasOnline.
About this listing
Compiled from Oneworld Accuracy (1WA)'s own published information or sent in by the provider, and reviewed by EqasOnline. Check scheme details, fees and dates with the provider before you enrol. 13 schemes listed here.
Last updated 29 Oct 2026.
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