WET MOUNT Mnemonic WTMT Synonym Wet Prep Includes Detection of yeast, Trichomonas, and Clue cells Guidelines For vaginosis/vaginitis. Other tests available: Affirm VPIII (probe for Candida, Trichomonas, Gardnerella), Trichomonas Antigen, Genital culture. Specimen Collection Requirements Collect Aspirate Vaginal secretions, or use swab, place in sterile tube with 0.5 mL saline Handling Must be received in laboratory within 15 minutes for optimal Trichomonas viability. If delay is unavoidable, also order the Trichomonas Antigen. Minimum Volume 1 swab in 0.5 mL preservative free saline Transport Room temperature, deliver immediately to the lab upon collection Rejection Criteria Frozen or refrigerated specimen, leaking or nonsterile container, dry swab Stability Ambient: 30 minutes (trichomonas viability begins to decline as rapidly as 15 minutes after collection). Testing Information Performed 7 days/week Method Microscopy Referral Lab Samaritan Health Services Laboratories Reference Values Reference Values WBC: less than 5-9/HPF RBC: No abnormal results Epithelial cells: less than 5-9/HPF Clue Cells: less than 5-9/HPF Yeast or fungal elements: None seen Trichomonas: None seen Bacteria: None seen, rare, or few CPT Codes 87210 Last Updated: Wednesday, April 15, 2020 09:50:49 AM