Group B Strep Screen Panel
Label Mnemonic: GRPBPCR
Downtime Form: A-1a Clinical Microbiology Laboratory Requisition
BT 6004
Bacteriology/Virology Section
Collection Medium:
ESwab Collection & Transport System
ONE ESwab (Product #74541)
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
2 days
If patient is penicillin allergic order culture in addition to nucleic acid amplification assay to receive susceptibilities. Culture is ordered by answering a question about penicillin allergy under this order on Epic.

A culture used to screen OB or pediatric specimens for Group B Streptococcus. This order includes susceptibility testing for clindamycin, ceftriaxone, penicillin, and vancomycin.

CDC recommends universal prenatal screening for vaginal and rectal GBS colonization of all pregnant women at 35-37 weeks gestation. Swab the lower vagina, followed by the rectum using the same swab.

1. CDC. Prevention of Perinatal Group B Streptococcal Disease. Revised Guidelines from CDC. MMWR. August 16, 2002; 51(RR-11).

The performance characteristics of this test were determined by the University of Iowa Microbiology and Molecular Pathology Laboratory. It has not been cleared or approved by the U.S. Food and Drug Administration (FDA). The FDA has determined that such clearance or approval is not necessary. This test is for clinical purposes. It should not be regarded as investigational or for research. The laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA) as qualified to perform high complexity clinical laboratory testing.

Epic Lab Code:
O103412 Group B streptococcus with reflex to culture (Inpatient)
O103414 (Outpatient)
Nucleic acid amplification; illumigene Assay (Meridian Bioscience)
CPT Code:
See also:
Culture-Group A Strep Screen, Throat Swab, Rectal Swab