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Test Code GPAPCR Strep Group A PCR LAB6555

Test Method

Reverse Polymerase Chain Reaction

Performance

Testing is performed Monday through Sunday.

Typically completed within 4 hours after the specimen
arrives at the testing site.

Specimen Requirement

  1. Throat Swab Specimen
    1. Use the ESwab Collection and Transport System. Remove the swab from the wrapper.
    2. Swab the posterior pharynx, tonsils, and other inflamed areas. Avoid touching the tongue, cheeks, and teeth with the swab when collecting specimens.
      Note: To reduce the potential for false negative results, do not collect throat swab specimens immediately after patients have used antiseptic mouthwash.
    3. Uncap the ESwab transport tube.
    4. Place the specimen containing swab into the ESwab transport tube and break the swab at the indicated score line.
    5. Cap the ESwab transport tube.
      Note: Rayon or Polyester fiber-tipped swabs transferred into ESwab transport media may be used if ESwab was not sent for testing.
  2. Storage Conditions:
    1. Specimens can be stored at room temperature for up to 48 hours.
    2. Specimens can be stored refrigerated at 2-8°C for up to six days.

 

Reference Values

Not Detected

Useful For

The rapid detection of Group A streptococcal bacterial DNA from throat swab specimens obtained from patient with signs and symptoms of pharyngitis. 

CPT Information

87651 - Streptococcus, group A, amplified probe technique