OverviewAn ear drainage culture is collected by placing a cotton swab gently in the ear canal. The sample is sent to the laboratory for testing to isolate and identify the type of organism causing the ear infection.
Update Date 8/30/2014
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.