Test Overview
Test Methodology

Microscopic exam

Test Usage

To detect enterobiasis

Reference Range *

No Enterobius vermicularis eggs seen

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Examination for pinworm only. One negative result does not rule out possibility of parasitic infestation. Specimen collected at improper time may give a false negative result. Repeat specimens from different days may be necessary to rule out infection.

Test Details
Days Set Up
Monday - Friday
Analytic Time

8 - 24 hours

Soft Order Code
PINW
MiChart Code
Pinworm Prep
Synonyms
  • Enterobius vermicularis Preparation
  • PINW
  • Scotch Tape Prep
  • Swube Tube Prep
  • PINWORM EXAM
Laboratory
Microbiology
Section
Microbiology
Specimen Requirements
Collection Instructions

Submit Swube or clear Scotch Tape slide preparation of perianal region. Clean ointment or lotion from perianal region before patient retires. Obtain specimen a few hours after the patient has retired, preferably around 4am or the first thing upon rising in the morning, before a bowel movement or bath. Swube Tube Prep: Press the sticky side of the Swube paddle to the perianal folds and place in swube tube. Scotch Tape Prep: Transparent tape must be used; nontransparent tape is unacceptable. Press sticky side of tape to the perianal folds. Stick tape onto one side of labeled microscope slide, sticky side down without wrapping tape around slide. Package slide to prevent breakage. Stool is not acceptable. If an unacceptable specimen is received, the client will be notified before disposal of the original specimen.

Rejection Criteria
Opaque tape used; tape not placed on microscope slide properly
Red Top Tube
Normal Volume
1 slide
Minimum Volume
1 slide
Billing
CPT Code
87172
Fee Code
20236
NY State Approved
No
Resources