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Special Instructions
Include any pertinent clinical and travel history on the test request form.
Expected Turnaround Time
3 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Urine
Volume
15 mL
Minimum Volume
3 mL
Container
Sterile cup, urine container, or Para-Pak® white (without preservative)
Collection
For suspected Schistosoma haematobium, collect urine sample without preservatives at midday.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Grossly leaking specimens; unlabeled specimen or name discrepancy between specimen and test request label
Test Details
Use
Establish the diagnosis of parasitic infection, primarily with Schistosoma haematobium
Methodology
Microscopy
Additional Information
The diagnosis of Schistosoma haematobium infection is achieved by examination of urine specimens for eggs. Both 24-hour and spot urine samples should be examined to enhance detection. S haematobium egg excretion exhibits a circadium rhythm, with the peak occurring between noon and 3 PM. Egg output is enhanced by physical exercise combined with fluid intake prior to urination. In very light or chronic infections, eggs may be very difficult to detect in urine; consequently, multiple urine sample examinations may be required. Occasionally eggs of S mansoni may also be detected in urine.
References
Ash LR, Orihel TC. Parasites: A Guide to Laboratory Procedures and Identification. Chicago, Ill: ASCP Press;1991:80.
Garcia LS. Diagnostic Medical Parasitology. 4th ed. Washington DC: ASM Press; 2001:465-470.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 008629 | Ova + Parasite Exam, Urine | 008628 | Ova + Parasite Exam, Urine | 75665-0 |
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