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Rapid Strep Group A Screen (Rapid Strep Screen), Throat

Performing Laboratory

Providence Alaska Medical Center



Reflex Information: 

A culture follow-up will be performed on all negative specimens.

Specimen Requirements

Two swabs are required for this test (1 swab for antigen test and 1 swab for confirmatory culture).


1. Obtain specimen using 1 Culturette® swab and 1 rayon swab (in paper wrapper).
2. Remove cap and swab #1 from tube.
3. Tilt patient’s head back to assist in opening of mouth as wide as possible.
4. Depress tongue with a tongue depressor so swab doesn’t touch oral mucosa or tongue.
5. If patient has complained of 1 spot being sore, swab that area well.
6. In 1 continuous motion:
A. Swab 1 tonsillar area up then down.
B. Move to back of throat as far down as possible, and swab there.
C. Move to other tonsillar area and swab.
D. Swab behind uvula and remove swab.
7. Place swab in transport tube to ensure specimen preservation.
8. Repeat steps 1 through 7 with swab #2.
9. Label tubes with patient’s name (first and last), a second identifier (date of birth, PHSA medical record number, or financial number), date and actual time of collection, and type of specimen.

10. Maintain sterility and forward promptly.

Note:  Specimen source is required on request form for processing.

Reference Values


A false negative may occur due to early infection or low organism load.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding