Test name
- ქართულად
- A ჯგუფის სტრეპტოკოკის სწრაფი ტესტი
- English
- Group A Streptococcus Antigen
- Abbreviation
- Strep A Ag
What does the test measure?
Detects group A streptococcus antigen in a throat swab.
Why is it ordered?
To detect the antigen in a throat swab when group A strep pharyngitis is suspected.
How should I prepare?
- Before the test, tell your doctor about any topical or systemic antibiotics.
- Check in advance where the swab will be taken from and any preparation restrictions.
- The sample is collected by a specialist using an approved method.
- Additional note: before the throat swab, tell your doctor in advance if you are taking antibiotics. The sample is collected by medical staff.
Do I need to fast?
Fasting is generally not required. If another test has been ordered at the same time, the overall preparation plan may change.
When should the test be done?
A specific time is generally not required. If your doctor has set a different time, follow those instructions.
What can affect the result?
- Time since infection and the antibody development window
- Immune status and some treatments
- Cross-reactions and test specificity
Which sample is needed?
Throat swab
How is the sample collected and stored?
The specialist takes the swab from the appropriate site and transfers it to a glass slide or transport system intended for the specific test. Sample fixation and delivery conditions are set by the laboratory's SOP.
What does the result mean?
A positive rapid test means group A streptococcus antigen was detected. A positive or negative result should be interpreted in light of the stage of illness and the accuracy of the test.
When should I see a doctor?
If the result is positive, reactive or equivocal, see your doctor to decide whether further testing and treatment are needed.
Important warnings and recommendations
Follow-up after a negative rapid test depends on age and clinical signs.