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Alternative Names Return to top
Rapid strep testDefinition Return to top
A streptococcal screen is a test to detect group A streptococcus, the most common cause of strep throat.
How the Test is Performed Return to top
The test requires a throat swab. It takes about 7 minutes. The swab is tested to identify group A streptococcus.
How to Prepare for the Test Return to top
There is no special preparation. Inform the health care provider if you are taking, or have recently taken, antibiotics.
How the Test Will Feel Return to top
Your throat will be swabbed in the area of the tonsils. This may make you gag.
Why the Test is Performed Return to top
The test is performed when the doctor suspects strep throat or if you have symptoms of pharyngitis (sore throat).
Normal Results Return to top
Group A streptococcus is not present.
What Abnormal Results Mean Return to top
Group A streptococcus is present (confirms strep throat).
Risks Return to top
There are no risks.
Considerations Return to top
This test screens for the group A streptococcus organism only and will not detect other causes of sore throat.
Update Date: 9/3/2008 Updated by: D. Scott Smith, M.D., MSc, DTM&H, Chief of Infectious Disease & Geographic Medicine, Kaiser Redwood City, CA & Adjunct Assistant Professor, Stanford University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
