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OVA AND PARASITE, feces (088-0088) CPT4 Code: 87177Test Order Mnemonic: O OP Synonyms: Amoeba, Giardia Test, O and P, Parasite Exam Test Includes: Wet mount from concentrated specimen and Trichrome stained smear Applies To: Intestinal Protozoa and intestinal Helminths Lab: Parasitology Request Form: Microbiology Patient Preparation: Caution patient against the use of antacids, barium sulfate, bismuth compounds, anti-diarrheal medications, oily laxatives, or radiologic contrast medium. Collection: To assure recovery of parasitic elements, collect three specimens on alternating days. For hospitalized patients, it is suggested to specimens be collected every 24-hours for 3 days. Collect random feces specimen and place in preservative Parapak. Storage Instructions: Store Parapak at room temperature. Store unpreserved samples at 2-8°C. Causes for Rejection: The presence of interfering substances such as antacids, barium bismuth, drugs, oil, and urine; unpreserved specimens submitted more than 24 hours after collection; duplicate specimens from the same source within 24 hours Availability: Samples are accepted 24 hours per day at the Microbiology Processing Laboratory, Room 5.137 McCullough. Turnaround Time: 2 days; test performed Monday-Friday Special Instructions: Submit the unrefrigerated specimen within 30 minutes of collection (sample is observed immediately for parasite motility). Routine O&P may not detect Microspordia, Cryptosporidia or Cyclospora. Request these examinations specifically. Include clinical information and travel history if available. Specimen: Feces Minimum Volume: 1 ml Container: Parapak - available through Materials Management. Test Method: Iodine wet mounts and Trichrome stain Revised 10/3/06 by T. Friloux |
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