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HelpTest Code RSA Rapid Strep A Screen
Clinical Indications
Useful for the diagnosis of bacterial pharyngitis caused by
group A streptococci
Detects group A streptococcal antigen
Additional Test Codes
Epic Order Code: Rapid Strep A Screen
Sunquest Order Code: RSA
Px Order Code: LAB4053
Specimen Collection Type
Throat or pharyngeal swab (sponge swab only)
Minimum Collection Volume
N/A
Reference Range
No group A streptococcal antigen detected
Critical Value
N/A
Interpretation
A positive result cannot differentiate between acute infection
and colonization.
Negative results must be confirmed by culture (STREP), which is automatically reflexed and
reported.
Rejection Criteria
Swabs in a semi-solid holding media (gel or charcoal)
Specimen Availability for Add-on Testing
N/A
Specimen Stability
8 hours at room temperature
72 hours at 2-8°C
Day(s) Performed
Monday through Sunday
Performing Lab- Department
TUKHS-BH-Microbiology
CPT Code
87880
LOINC Code
6558-1
Test Alias
N/A
Additional Information / Notes
N/A