Schistosoma haematobium – Urine

Specimen Collection and Handling

Specimen Requirements

Test Requested Required Requisition(s) Specimen Type Minimum Volume Collection Kit

Ova and parasites1

Urine4

30 ml

Sterile container

Submission and Collection Notes

1

The suspected organism may be included under the ‘Test Description’.

2

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.

3

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.

4

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.

Limitations

Anti-diarrhoeal medication, radiological dyes (barium) and antibiotics interfere with the identification of intestinal protozoa as well as helminths and coccidians.

Preparation Prior to 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.

Requisitions and Kit Ordering

Test Frequency and Turnaround Time (TAT)

Schistosoma haematobium – Urine specimen testing turnaround time is up to 2 days from receipt by the PHO laboratory.

Reporting

Results are reported to the ordering physician or health care provider as indicated on the requisition.

Test Methods

Schistosoma haematobium specimens are examined by microscopy for eggs following centrifugation procedure using the Formalin/Ethyl-Acetate Concentration Method. The concentration method allows for detection of small numbers of organisms.

contact lab

Contact Laboratory Customer Service

Laboratory Services

customerservicecentre@oahpp.ca

Updated 4 Jan 2019