OVA AND PARASITES, CONCENTRATE AND PERMANENT SMEAR

Specimen Required
Patient Preparation: Interfering substances: Bismuth, Barium (wait 7-10 days), Antimicrobial agents (wait 2 weeks), Gallbladder dye (wait 3 weeks afer procedure)
Place 10.0 g stool (5.0 g minimum) in a Total-Fix® vial within 30 minues of collection. Send room temperature.

Alternate Specimen
Stool: 10% formalin or PVA
Urines: Collect 25.0 mL in an IATA-approved sterile screw-capped plastic container without preservatives. Ship refrigerated.
Sputum: Submit 10.0 mL sputum in 10% formalin or in a sterile screw-capped plastic container.

Rejection Criteria
Leaking container, culturettes, swabs, unpreserved stool, frozen sample, preserved urine, specimens containing barium stool preserved in medium other than parasitology fixative, stool submitted in expired transport vial, unpreserved sputum, Liver abscess or aspirate, Ecofix Transport vial, SAF.

Methodology
Light Microscopy

Stability
Sputum, BAL, Urine, Unpreserved: Room temperature: Unacceptable; Refrigerated: 48 hours; Frozen: Unacceptable
Stool preserved: Room temperature: 6 months; Frozen: Unacceptable

Reference Range
By report

Performed
Sunday-Saturday

Turnaround Time5-7 days
Test CodeOPRSP
CPT-4 Code (s)
87177, 87209
LOINC Codes
Concentrate result   10701-1  
Trichrome result   43227-8  
Specimen source   31208-2  

Warde
Medical
Laboratory