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Test Code Pinworm Pr Pinworm Preparation 

Biohazard Infectious

Clinical System Name

Pinworm Preparation


Enterobius vermicularis
Scotch Tape Preparation


Scotch tape preparations are examined for Enterobius vermicularis (pinworm) eggs.

Sample Requirements

Sample should be obtained a few hours after the patient has retired or first thing in the morning before patient arises, showers, or uses the toilet. Use clear Scotch tape and touch all areas of the anal folds. Use caution as eggs are highly contagious. Place the tape sticky side down on a clear glass slide (obtain from Microbiology Laboratory) and place the entire slide with tape in a closed sterile container.


Specimen: Scotch Tape Prep

Container: Sterile Container

Preferred Vol: N/A

Minimum Vol: N/A

Processing Instructions

CPA: Send sample to Microbiology for processing. 


Off-site collection:  Off-site Children's Lab locations should send to SCH Main Campus for testing. Sample should be kept at room temperature prior to and during courier transport. 


Other off-site locations, keep sample at room temperature prior to and during transport. 


Temp Time
Room temp 48 Hours
Refrigerated N
Frozen N




Procedure Performed Turn Around Time (TAT)
Pinworm Exam 24/7 24 hours


Performing Laboratory

Seattle Children's Laboratory



Microbiology Laboratory

CPT Codes



Reporting Information

Final Report: 24 hours


Notifiable Result

See Link below for Notifiable Conditions for WA state labs:


See Link below for PDF of phone numbers for Local Health jurisdictions (by County) in WA State: