Faeces for ova, cysts and parasites

(Microbiology)

Routine faecal testing includes PCR for Cryptosporidium, Giardia and Entamoeba histolytica If infections with other protozoa or helminths is suspected (e.g. cyclosporiasis, schistosomiasis, strongyloidiasis etc), then send a faeces sample for ova, cysts and parasites microscopy with full clinical details including suspected diagnosis, travel destinations and dates, etc. Samples without appropriate details will be rejected by the laboratory.

Investigations	Faeces microscopy for ova, cysts and parasites
Inform lab before sending	No
Specimen type	Faeces
Ideal time to take specimen	For helminth infections, delay sampling until after the incubation/pre-patency period is complete
Labelling requirements	click here
How to take the specimen	A blue sterile universal container with spoon, a sterile white capped universal, or a sputum pot. The specimen container should not be filled to the brim. A walnut sized portion of stool or is sufficient, but 50g is ideal if strongyloidiasis is suspected.
Transport to the laboratory	As soon as possible. If transport is delayed then refrigerate. Delays of over 48hrs are undesirable.
Test Times	Monday to Friday
Turnround	7 working days
Additional information	Samples without relevant clinical details will not be processed
Additional Examination Requests	Please ensure that any requests for additional investigations on the specimen are made within 7 days from the date of the original request.

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