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Throat Strep Screen by Culture Method
MessageFor Rapid Strep Testing refer to Streptococcus A PCR (test code STRPCR)
Culture for GC refer to C GC
Culture for Routine C&S or AFB/ Fungus- NOT recommended or appropriate
Culture for GC refer to C GC
Culture for Routine C&S or AFB/ Fungus- NOT recommended or appropriate
Test Code
#C STR
Preferred Specimen
Source: pharynx (throat)
Collection devices:
Collection devices:
- eSwab with liquid Amies (regular flocked swab)
- BD BBL CultureSwab (red top dual swab)
Instructions
Culture swab - Swab the tonsillar area, posterior pharynx, areas of inflammation, exudation, or membrane formation, being careful not to touch the tongue or oral surfaces.
Transport Temperature
Ambient/ Room Temperature
Specimen Stability
eSwab with liquid Amies (regular flocked swab) - 48 hours
BD BBL CultureSwab (red top dual swab) - 24 hours
BD BBL CultureSwab (red top dual swab) - 24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Unacceptable specimens:
Refrigerated or frozen specimens
Throat swab in Viral Transport Medium (VTM)
Dry Swabs
Refrigerated or frozen specimens
Throat swab in Viral Transport Medium (VTM)
Dry Swabs
Methodology
Culture
Clinical Significance
Isolation of Group A streptococci (Streptococcus pyogenes) by culture from a symptomatic patient is usually considered clinically significant.