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 8/1/2012
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.