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Test Code LABGBSPRX Beta Strep, Vaginal Screen, Reflex Susceptibility for Penicillin Allergy

Clinical Information

Group B Strep (Streptococcus) screen at 35-37 weeks gestation if patient is penicillin allergic.

Synonym

  • GBS REFLEX
  • GBS
  • Streptococcus agalactiae

Specimen Required

Preferred Container/Tube: eSwab
Acceptable Container/Tube: eSwab
Specimen Source: Vaginal-rectal
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 48 hours
Refrigerated: 48 hours

Reference Values

Negative

Interpretation

This test was performed using a real-time PCR assay. Results should be interpreted in conjunction with other clinical and laboratory findings. 

Method Description

Concentration in LIM broth for > 18 hours followed by real-time polymerase chain reaction (PCR) testing for Group B Streptococcus (GBS) DNA sequence.

Test Classification

For E-swab specimens, this test was developed and its performance characteristics determined by the Clinical Microbiology Laboratory at The Ohio State University Wexner Medical Center. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

Performing Lab

Clinical Lab UH
Clinical Lab University East

Day(s) Performed

Monday through Friday

Report Available

2 days

Reporting Name

Beta Strep Screen to MIC

CPT Code Information

87081
87150