Test Code MOC Ova, Cyst and Parasites Examination
Specimen Requirements
Submit only one of the following
Specimen Type: Stool
Container/Tube: Sterile screw-capped container
with attached spatula
Volume: 10.0g / 5.0mL
Minimum Volume: 5.0g (size of a grape) / 2.0mL
(liquid stool)
Collection Instructions: Collect up to 3
specimens, one specimen collected every 48 hours. Specimen received
within 24 hours from the previous one would be rejected.
Indicate target parasite(s) if suspected.
Specimen Type: Urine (for Schistostoma
haematobium, Microsporidia)
Container/Tube: Sterile container without
additives or boric acid
Volume: 20.0mL
Minimum Volume: 10.0mL
Collection Instructions: Collect clean catch urine
during the mid-day between noon to 3pm.
Specimen Type: Cellophane
(“Scotch”) Tape collection (for pinworm)
Container/Tube: Please refer to Test Catalogue
-> Test Collection Information -> Microbiology Transport
Media -> Cellophane method for Perianal specimen
Volume: Per kit (entire collection)
Specimen Type: Duodenal aspirate: recommended
for the detection
of Giardia and larvae of Strongyloides stercoralis,
Ascaris lumbricoides and Clonorchis sinensis.
Container/Tube: Sterile container
Volume: Entire content
Minimum Volume: 1.0mL
Collection Instructions: Pass a tube orally
through to the duodenum (at least in the third portion) and
aspirate the materials. Place contents in a sterile container. Send
immediately.
Specimen Type: Aspirates, fluids, biopsies
Container/Tube: Sterile container
Volume: Entire content
Minimum Volume: 1.0mL (fluids); 1.0g (tissues)
Collection Instructions: Collect specimen
aseptically into sterile container.
Specimen Type: Skin scrapings (for Scabies
detection)
Container/Tube: Sterile container
Volume: Entire content
Collection Instructions: Collect skin scrapes into
sterile container. Cap tightly.
Sample Stability
Preferred temperatures for storage prior to and during shipping to NUH
Specimen Type: | All types |
---|---|
Ambient: | Submit to lab as soon as possible |
Refrigerate: | Do not refrigerate sample |
Frozen: | Do not freeze sample |
Reference Interval
Ova, Cyst & Parasites not seen
Days and Times Performed
Monday through Sunday, TAT 1-2 days
Methodology
Microscopy for stool specimen with formalin ethyl acetate concentration; Microscopy for other types of specimens
Service Code
23204
Update
Last updated 14/1/2021
Unacceptable Condition
1. Stool specimen contaminated with urine
2. Unpreserved liquid or soft stool specimen received more
than 1 hour post collection.
3. Unpreserved formed stool specimen received more than 24
hours post collection.
Special Instruction
This test does not exclude Cryptosporidium, Cyclospora, Isospora, and Microsporidia.
Testing Laboratory
National University Hospital
Clinical Microbiology, 67724343
Useful For
Diagnosis of parasitic infection