Ova, Cysts and Parasites (Bacteriology)
As part of our quality improvements for the Parasitology service
within the Microbiology department at CMFT, we have outlined the
current testing requirements in order to provide an efficient
service for the investigation of ova, cysts and parasites (OCP)
from samples other than blood.
Our aim is to clarify the requesting and selection of
appropriate enteric samples for the examination of ova, cysts and
||There is NO NEED to request OCP
All enteric samples for bacterial culture will automatically be
tested for these.
Other parasitic infestations
(other than Cryptosporidiumsp. &
|3 faecal samples over a period of 10 days
OCP investigation must be requested
Samples labelled and dated: 1 of 3, 2 of 3 and 3 of 3
• Foreign travel history
• Blood eosinophil count
• Duration of diarrhoea
• Presence/absence of abdominal symptoms
• Evidence of malabsorption
(E. vermicularis ova.)
|Perianal Swab in saline
Rotate a saline moistened swab around the anus of the child
first thing in the morning.
||Sample collected between 10am and 2pm. Alternatively a 24hr
collection of terminal samples of urine may be obtained.
|Worms seen in stool
||Please send actual worm seen in a universal container
If any other types of samples require testing, or other parasite
investigations required, please contact the Microbiology department
on 0161 276 6717.
If amoebic dysentery is suspected and clinical advice needed
please tel 0161 276 6333.
On occasions, we may need to refer samples to a reference
laboratory for specialised testing procedures and further samples
may be necessary.
Consultant Microbiologist, Infection Control
and Clinical Lead for Microbiology