Streptococcal Rapid Antigen Test


Streptococcal Rapid Antigen Test, Rapid Strep Test

  • Indication
  • Methods
  1. Extraction
    1. Enzyme extraction (more sensitive)
    2. Acid extraction (faster, usual testing method)
  2. Identification
    1. Enzyme immunoassay
      1. Second generation test
      2. Usual identification method in the United States
    2. Optical Immunoassay
      1. Third generation test with limited use in U.S. due to cost
    3. Latex Agglutination
      1. Older, first generation method that has been replaced by enzyme immunoassay in the United States
      2. Requires skill to interpret
  • Efficacy