Test Code THRGS Culture, Throat, with Gram Stain
Methodology
Conventional Culture Technique
Includes Gram stain.
Specimen Requirements
Container/Tube: Swab transport tube(s)
Specimen Volume: Entire specimen
Collection Instructions: Obtain specimen using a
culture swab as follows:
1. Remove cap and swab from tube.
2. Tilt patient’s head back to assist in opening of mouth as wide as possible.
3. Depress tongue with a tongue depressor so swab doesn’t touch tongue.
4. Instruct patient to say “Ahh” (this elevates uvula).
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. Insert swab into moist sponge in swab container to preserve specimen.
8. Label container with patient’s legal name, date and actual time of collection, and type of specimen.
Note: Specimen source is required.
Day(s) Test Set Up
Monday through Sunday
Reference Values
Few to many normal throat flora
Normal throat flora includes alpha and nonhemolytic strep, Neisseria species, Staphylococcus epidermidis, and diptheroids. All possible aerobic pathogens will be identified including group A strep.
Performing Laboratory
Logan Health Medical Center Laboratory
Test Classification and CPT Coding
87070-Culture
87205-Gram stain
Specimen Transport Temperature
Ambient/Refrigerate NO/Frozen NO