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Test Code SSPARA Ova and Parasites, Feces, LAB258


Direct Wet Prep/Concentrate and Permanent Trichrome Stain

Performing Laboratory

State Hygienic Laboratory (UHL)-Iowa City

Specimen Requirements

Fresh stool specimen must arrive within 1 hour of collection or must be a SAF-preserved specimen received within 48 hours.


Do not send specimen if anti-diarrheal medications, oily laxatives and procedures with barium or bismuth has been given in the past 5 days.


1. Submit 2 mL of SAF preserved stool (or 2 mL of fresh stool in a screw-capped, sterile container if it can be delivered within 1 hour of the collection). (Do not contaminate stool specimen with urine.) Only 1 specimen per day will be accepted unless it is a purged specimen.

2. Maintain sterility and forward promptly.


1. Fresh specimen should be refrigerated and must be received within 1 hour. Preserved specimen may be kept at ambient temperature until delivered to laboratory.

2. Indicate specimen source on specimen container and in computer.

Reference Values

No ova and parasites seen

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

87177-Parasitic exam