Group A Strep Culture

Last Modified: 10/25/2021 1:29:57 PM

Medical Necessity Documentation:  
Client Notes: See Strep A Direct for Rapid Group A Strep detection

A GC Culture should be ordered to detect GC in the Throat

Deep Abcesses should be ordered as an Anaerobic Culture
Patient Preparation:  
Specimen Requirements: Liquid Amies Aerobic Culture Swab

Collection Instructions: Order Throat Culture, if looking for pathogens other than Strep A.

Current antibiotic therapy, collection site and/or source all must be written on the test requisition

Source Examples for this test are:  Tonsillar and Pharynx

Please specify if looking for Pertussis, Yeast or Diphtheria on the Order

  • Use a sterile miscellaneous aerobic culture collection swab kit.
  • A kit contains two sterile swabs. Check the expiration date of all swabs before use.
  • Ask the patient to tilt their head back. Depress tongue with tongue blade. 
  • Check for inflamed areas. With the swab against the back wall of the throat, move up and down into the uvula area. 
  • Touch any white patches in the tonsillar area. Do not touch the tongue, cheeks, or teeth with the swab to avoid contamination with oral bacteria.
  • Withdraw the swab and immediately place in culture tube.
  • If you are using a commercial kit, crush the ampule of culture medium at bottom of tube. 
  • Push the swab into the medium to keep the swab moist.
  • Transport & Storage: Temperature/Stability: 24 hours Ambient (preferred)
    48 hours Refrigerated
    Reference Range:

    No Group A Strep isolated

    Critical Ranges:  
    Test Comments: A Group A Strep Culture order will reflex when a Strep A Direct Test is negative on patients < 18 years old
    Methodology: Manual
    Clinical Significance:  
    Custom Panel: No


    Turn Around Time: 2 days
    Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
    Sites Performed: Parkview Regional Medical Center
    PHL Test Code: CXGRA
    EPIC Test Code: LAB236
    Alternate Test Names: Strep A
    Included Tests:  
    CPT Coding: 87081

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