Trypanosoma American or African – Serology
Consistent with O. Reg. 671/92 of the French Language Services Act, laboratory testing information on this page is only available in English because it is scientific or technical in nature and is for use only by qualified health care providers and not by members of the public.
Specimen Requirements
| Test Requested | Required Requisition(s) | Specimen Type | Minimum Volume | Collection Kit |
Trypanosoma serology, or Chagas’ disease, or Trypanosoma cruzi |
Whole blood or serum |
5.0 ml whole blood or 1.0 ml serum |
Vacutainer tubes (SST) |
Submission and Collection Notes
Indicate symptoms and date of onset on the General Test Requisition Form if diagnostic testing is required.
Timing of Specimen Collection
An acute (collected early after the onset of symptoms) and a convalescent (collected 2-3 weeks later) may be required for laboratory diagnosis.
Limitations
Haemolysed, icteric, lipemic or microbially contaminated sera or plasma are not recommended for testing.
Storage and Transport
Label the specimen container with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.
Special Instructions
Centrifuge if using SST. Place specimen in biohazard bag and seal.
Test Frequency and Turnaround Time (TAT)
Trypanosoma serology is a Referred Out Test. Samples are sent to the National Reference Centre for Parasitology (NRPC) in Montreal.
Turnaround time is up to 42 days from receipt by PHO laboratory.
Trypanosoma test is performed by IFA for American Trypanosoma/Chagas’ Disease and Card Agglutination assay for African Trypanosoma (CATT).
MyPHO
Don’t have a MyPHO account? Register Now