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CULTURE, STREP GROUP B (VAGINAL)
Test CodeGBSC (Alverno)
Alias/See Also
- Streptococcus agalactiae
- Streptococcus Group B
- GBBS
- Group B Strep
CPT Codes
87081
Includes
Screen for presence of Group B Strep
Note: This culture does not include a gram stain
Note: This culture does not include a gram stain
Preferred Specimen
eSwab
Patient Preparation
Vaginal or rectal sources
Other Acceptable Specimens
Dacron swab
Transport Container
Swab container
Transport Temperature
Room temperature
Specimen Stability
Room temperature up to 24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Incorrect source
Methodology
Routine culture
Setup Schedule
M, T, W, Th, F, Sat, Sun
Culture examined each day for 2 day
Culture examined each day for 2 day
Report Available
Final report available within 2 days
Reference Range
Negative
Clinical Significance
Group B streptococci can be one of the most significant pathogens in the neonatal period. The organism is transmitted to the newborn through the birth canal. Prepartum vaginal introitus and anorectal cultures are important to determine carriage.
