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Catalog ID Ref O&P Ova and Parasite Exam [includes concentrated exam and permanent stain]

Important Note

If parasite infection is suspected as cause of persistent diarrhea (>14 days). 

Do not order for patients who develop diarrhea during a prolonged hospitalization. 

The ova and parasite exam does not specifically detect Cryptosporidium, Cyclospora, Cystoisospora, and Microsporidia

CPOE Test Name

CPOE: Ref Ova and Parasite Exam, Fecal 

DOE: Ref O&P

Synonyms

EX ova P

Specimen Type

Stool

Specimen Requirements

2 grams stool submitted in Ecofix preservative system.

 

Storage and Transport

Ambient temperature and transport to Microbiology Laboratory as soon as possible.

Causes for Rejection

Inappropriate collection device; improper labeling; leaking vials; improper filling or mixing; specimens containing urine, frozen specimens

Reference Range

Negative

Test Consists

Concentrated exam and permanent stain for parasitic protozoa and the eggs and larvae of parasitic helminths. 

Turn Around Time

3-7 days

Performing Lab

ARUP Laboratories

Methodology

Method for identification of Ova and Parasites includes wet mount and trichrome stain.

CPT / HCPCS Code

Concentrate exam 87177; Trichrome smear 88312