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Test Code XGAS Streptococcus Group A, Throat

Important Note

This assay will replace the following tests:

1. GASS - Group A Beta Strep, Rapid Antigen Screen, Throat

2. GASC - Culture Beta Strep Species

Useful For

Detecting group A streptococcal infections in patients with signs and symptoms of pharyngitis using a throat swab specimen.

Performing Laboratory

MaineGeneral Medical Center

Specimen Requirements

Throat

 

1. Must be collected and transported using the Amies eSwab collection kit. 

2. Using a tongue blade to hold the tongue down, firmly rub the swab over the tonsils, posterior pharynx and any areas of inflammation with exudate. Ensure that the areas with exudate or inflammation are swabbed.

3. Avoid the tongue, teeth and gums as the swab is withdrawn. 

4. Insert the swab back into the eSwab transport tube and break the swab at the indicated score line.

5. Label the specimen with the patient's name (first and last), date of birth, date and time of collection, source of collection and the collector's initials. 

 

Specimen stability:  

48 hours ambient

6 days when refrigerated at 2-6°C

 

Minimum volume:

1 Amies Liquid eSwab

Reference Values

Not Detected

 

Note:  Culture confirmation is NOT required.

Day(s) Test Performed

Monday - Sunday

 

TAT: Less than 1 hour after receipt in the testing department.

 

Performed at both ACH and TCH

CPT Coding

87651