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Beaumont Laboratory

Specimen Collection Manual: Eye (Conjunctiva)



  • ESwab Collection System.
  • UTM or UVT transport medium. 

Specimen Collection Criteria

  • Moisten a flocked swab with sterile non-bacteriologic saline.
  • Gently pull the lower eyelid downward and carefully swab the lower conjunctiva to collect both cells and fluids. The upper eyelid may be swabbed in the same manner.
  • If both eyes are to be cultured, a separate sterile swab should be used for the other eye.

Rejection Criteria

  • Do not use expired media. Check expiration date on all media prior to use.  


  • Place each swab into the appropriate transport medium and send to the Laboratory.
Specimen Type Temperature Stability Time Frame
Viral Culture (UVT, UTM) Refrigerated (2-8°C or 36-46°F) 24 Hours (if greater than 24 hours, freeze at -70°C
Bacterial Culture (ESwab) Room Temperature (20-26°C or 68-78.8°F) 8 Hours

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Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.