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Mayo Clinic Laboratories

Test Code LAB20614 Ova and Parasites, Concentrate and Permanent Smear

Department

Send Outs

Reference Lab Test Number

OPCPS

Refer To

Warde Medical Laboratory

Primary Collection Container

Para-Pak ZN-PVA/Formalin

Transport

Stool Room temperature

Preferred Transport Temperature

Room Temperature

Processing

Place 10.0 g stool in a Para-Pak ZN-PVA/Formalin vial within 30 minutes of collection. Send room temperature

Stability

Stool (preserved)

Room temperature: 6 months

Refrigerated: 6 months

Frozen: Unacceptable

Minimum Testing Volume

5 g or 5 mL

Reference Range

See report

Methodology

Microscopic Examination of Concentrate, Permanent Stained Smear

Performed

7-9 days

Reported

Sunday-Saturday

CPT Codes

87209, 87177

Unacceptable Conditions

Unpreserved stool. Specimens containing barium. Stool preserved in medium other than parasitology fixative. Specimens received frozen. Stool submitted in expired transport vial.