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GROUP B STREPTOCOCCUS (GBS) BY PCR
Test CodeLAB1230003
CPT Codes
87653
Preferred Specimen
Anal/Vaginal swabs should be collected suing BBL Culture Swab Liquid Stuart (single or double).
Minimum Volume
Saliva flocked swab specimen in transport media: 1mL
Urine: 500 uL
Urine: 500 uL
Other Acceptable Specimens
None
Instructions
Anal/Vaginal swabs should be collected suing BBL Culture Swab Liquid Stuart (single or double). The swab will be inserted into enriched LIM Broth Media by the Molecular Diagnostics Staff. Place swab specimens in the refrigerated Molecular Diagnostics Rack.
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days, swab inserted into enriched LIM Broth Media
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Non-validated sample type, specimen container not properly labeled, broken specimen container, sample greater than 7 days since collection or frozen sampels.
Methodology
Polymerase Chaing Reaction (PCR) - Hologic Panther Fusion GBS Assay.
Setup Schedule
Daily: Sunday-Saturday
Reference Range
Negative
Clinical Significance
The primary health concern is early-onset neonatal infection (early-onset disease, EOD), which occurs within 7 days after birth and is caused by vertical transmission from mother to infant during labor and delivery. Infants that acquire early-onset infection typically present with respiratory symptoms or signs of sepsis within the first 24 to 48 hours following delivery; meningitis is also observed, but with less frequency.
Performing Laboratory
West Virginia University Hospital, Inc.
Berkeley Medical Center Princeton Community Hospital St. Joseph’s Hospital
Additional Information
GBS Test Change Notification
