Test Overview

Test Methodology


Test Usage

Isolate and identify group A beta-hemolytic streptococci

Reference Range*

No beta streptococci group A isolated

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

The culture will be screened only for Group A Beta-hemolytic Strep.

Test Details

Days Test Performed


Analytic Time

24 - 72 hours

Soft Order Code


MiChart Code

Streptococcus Group A Culture



Beta Strep Group A Culture, Rectal
Culture, Beta Strep Group A, Rectal
Streptococcus pyogenes, Rectal

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Specimen Requirements

Offsite Collection Instructions

Collect specimen from anorectum. Insert swab into aerobic transport tube and bend the swab at the breakpoint to break the shaft. Refrigerate and send within 48 hours of collection. Specimen should be sent for culture before antimicrobial therapy is started. If performing a rapid strep screen at the point of care, after collection insert the swab into the Eswab liquid, swish to mix well and then remove the swab to use for the onsite rapid test. If the rapid test is negative the remaining liquid in the Eswab transport tube may be sent for culture; do not place the swab back into the liquid after performing the rapid test.

Rejection Criteria

Specimen older than 48 hours.



Normal Volume

1 swab

Minimum Volume

1 swab

Additional Information

Streptococcus Group A Culture is offered only for rectal specimens. See Streptococcus Group A DNA by PCR for throat and pharynx specimens.

Billing Information

Fee Codes

CPT Code


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