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Test Name:
Pinworm Examination
- SBMF No:
27001 - Performance Lab Name:
Microbiology - Test Mnemonic:
PINWORM - ABN:
Not required - CPT Code:
87172 - LOINC Code:
675-9 - Also Known As:
Enterobius vermicularis
"Scotch Tape" test - Spec Type:
Pinworm ova (eggs) - Spec Container:
Adhesion slide collection kit (contact laboratory) - Pref Vol:
One paddle - Patient Prep:
Collect in morning before patient arises, bathes, or uses bathroom - Spec Collect:
Remove cap from kit vial to expose collection paddle
Press "sticky" side of paddle against perianal area using moderate pressure
Do not insert into rectum or contaminate with feces
Return paddle to vial and tighten cap
Note: This collection procedure replaces the "Scotch Tape" test - Spec Store Transport:
Room temperature - Spec Stability:
24 hours room temperature (20-30°C) - Spec Reject:
Specimen submitted on cellophane ("Scotch") tape
Specimen not collected or submitted using approved collection technique
Specimen contaminated with feces - Methodology:
Microscopic Examination - Use:
Detect cases of enterobiasis (Enterobius vermicularis parasitic infestation) - Clinical Significance:
Enterobius vermicularis, commonly called pinworm, is a small roundworm belonging to the class of nematodes. The infective stage of pinworm is the ova. Therefore, the diagnosis of infection is made on the detection of ova in the specimen.
The prevalence of infection with Enterobius vermicularis is probably considerably underestimated. The organism is primarily a parasite of young children; the rapid development of its eggs to the infective stage and their ability to persist for extended periods in the environment leads to rapid dissemination of the infection from child to child and to adults.
The infection is especially troublesome in young children; large worm burdens may cause extreme pruritus, loss of sleep, and irritability. Adult females may enter the vagina and subsequently the uterus or fallopian tubes, where thy die. Disintegration of the dead worms and liberation of the eggs contained in utero result in an inflammatory response and granuloma formation about the eggs in these sites.
- Reference Range:
No pinworm, Enterobius vermicularis, ova identified. - Day Run:
Mon-Fri - Time Run:
Daily - Time Reported:
Daily - Test Type:
PARASITE
