Pinworm Detection Mnemonic PW Synonym Pinworm - Scotch tape prep Guidelines Recommend up to 3 specimens, one each night. Specimen Collection Requirements Patient Preparation Separate the buttocks and press the tacky surface of the Swube or tape to the right and left perianal folds. Best if taken late in the evening, 1-3 hours after patient has retired, or first thing in the morning before bathing. Collect Swube collection paddle, available from Legacy, or clear tape. View Stool Collection Guide Handling For specimen collection see Patient Instructions for Collecting a Pinworm Sample. After collection, replace Swube paddle in tube provided for transport. If using tape, place the sticky side down on a glass microscope slide and place in a screw-top specimen container. Transport For transportation, see Specimen Collection-Transport Guide for Stool Orders. Rejection Criteria Frosted, colored or Magic Transparent tape Stability Swube Collection: Ambient: 7 days, Frozen: Unacceptable Tape collection: Ambient: 24 hours, Refrigerated: 3 days, Frozen: Unacceptable Testing Information Note This order may also be used for macroscopic objects to rule out or identify a parasites. See Parasite Exam Macroscopic. Performed Mon-Fri Reported 24-72 hours Method Microscopy Reference Values Reference Values Negative CPT Codes 87172 Last Updated: Wednesday, December 23, 2020 12:45:17 AM Client Services: 503-413-1234