Schistosoma haematobium – Urine
Conformément au Règlement de l’Ontario 671/92 de la Loi sur les services en français, les renseignements d’analyses de laboratoire liés à la présente page ne sont offerts qu’en anglais parce qu’ils sont de nature scientifique ou technique et destinés uniquement à l’usage des fournisseurs de soins de santé qualifiés et non aux membres du public.
Ova and parasites1
Submission and Collection Notes
The suspected organism may be included under the ‘Test Description’.
Please note on the requisition (under other): If the patient has Eosinophilia, HIV, is immunocompromised, has a critical illness or was admitted to ICU, or had a previous parasitic infection.
Indicate Country/Region and if the patient is a new immigrant or refugee or returned traveler under ‘Travel’ section of the requisition. It is imperative that the foreign country be identified.
Urine collected at midday, on three (3) consecutive days.
Timing of Specimen Collection
Collect specimens 2 hours before and after midday as numbers of ova excreted peak at that time. Preferably collect the last portion voided.
Anti-diarrhoeal medication, radiological dyes (barium) and antibiotics interfere with the identification of intestinal protozoa as well as helminths and coccidians.
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.
Place specimen container in a biohazard bag and seal. Store specimen at room temperature prior to shipping to PHO laboratory.
Test Frequency and Turnaround Time (TAT)
Schistosoma haematobium – Urine specimen testing turnaround time is up to 2 days from receipt by the PHO laboratory.
Schistosoma haematobium specimens are examined by microscopy for eggs following centrifugation. The sedimentation method allows for detection of small numbers of organisms.
Results are reported to the ordering physician or health care provider as indicated on the requisition.