Throat Strep Screen by Culture Method

Message
For 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


Test Code
#C STR


Preferred Specimen
Source: pharynx (throat)

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
 


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Unacceptable specimens:
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.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.