Test Code 9902 Group B Strep
Purpose
The group B strep test is a routine antenatal test. GBS screening identifies the presence of the bacteria in the vaginal/rectal area of a pregnant woman. GBS can cause early-onset GBS disease that occurs within the first week after birth.
Performing Laboratory
Copley Hospital
Methodology
DNA Molecular Detection by PCR (GeneXpert)
Specimen Requirements
Specimen Type: Vaginal / Rectal Swab
Container/Tube: Red Topped Copan Swab
Collection Instructions:
1. Label specimen with patient’s full name, date of birth,
date & time of collection, collection site and person collecting.
2. Refrigerate specimen during transport.
Reference Values
Normal: GBS Negative
Critical: GBS Positive
Stability
Room Temperature: 24 Hours
Refrigerated: 6 Days
Day(s) Performed
Daily
Analytical Time: 1 Day
Aliases
Group B Strep
Group B
Streptococcus
GeneXpert
Strep
Test Classification & CPT Coding
NA