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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 parasites.

Pathogen Sample required Comment
Cryptosporidiumsp. &
Giardia lambli
Faeces 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. & Giardia lamblia)

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

Information required:
•    Foreign travel history
•    Blood eosinophil count
•    Duration of diarrhoea
•    Presence/absence of abdominal symptoms
•    Evidence of malabsorption

Threadworm.
(E. vermicularis ova.)

Perianal Swab in saline

Rotate a saline moistened swab around the anus of the child first thing in the morning.

Bilharzia
(Schistosoma haematobium)
Urine Sample collected between 10am and 2pm. Alternatively a 24hr collection of terminal samples of urine may be obtained.
Worms seen in stool Worm 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.

Andrew Dodgson
Consultant Microbiologist, Infection Control Doctor
and Clinical Lead for Microbiology

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 parasites. Back to Index

 

Pathogen

Sample required

Comment

Cryptosporidiumsp. &

Giardia lamblia

Faeces

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. &

Giardia lamblia)

3 faecal samples over a period of 10 days

OCP investigation must be requested

Samples labelled and dated:-

1of3, 2of3 and 3of3.

Information required:-

  • Foreign travel history
  • Blood eosinophil count
  • Duration of diarrhoea
  • Presence/absence of abdominal symptoms
  • Evidence of malabsorption

Threadworm.

(E. vermicularisova.)

Perianal Swab in saline

Please contact laboratory on 0161 276 6717 regarding collection of kits.(swab & saline pot)

Bilharzia

(Schistosoma haematobium)

Urine

Sample collected between 10am and 2pm. Alternatively a 24hr collection of terminal samples of urine may be obtained.

Worms seen in stool

Worm

Please send actual worm seen

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.