ARUP's Laboratory Test Directory

0028903: Streptococcus (Group A) Rapid with Reflex to Culture

Test Mnemonic: STREP SCN
Methodology: Immunoassay with Direct Observation/Culture

Performed: Sun-Sat

Reported: Within 24 hours for rapid assay; 48 hours later for culture

Specimen Required:  
Collect: Two throat swabs, using a Rayon or Dacron® swab with a plastic shaft.

Transport: Two throat swabs, either dry or in a liquid transport system containing Modified Stuart's Medium (e.g., culturette or culturette II) at 20-25°C.

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Pediatric Collection/Transport:

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Unacceptable Conditions: Calcium alginate swabs and swabs with a wooden shaft. Frozen specimens.

Stability: Ambient: 24 hours; Refrigerated: 24 hours; Frozen: Unacceptable

Reference Interval:
 
Components Reference Interval
Streptococcus  (Group A) Rapid Negative
Streptococcus (Group A) Culture Negative

Note:
If the strep test is negative, then a culture will be added for confirmation.

CPT Code(s):
87880 Direct test; if negative, add 87081 Culture

 

 

 
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