Test Catalog

Test

Code
M542
Name
CULTURE, GROUP B BETA STREPTOCOCCUS
Description

Alternative Names: GROUP B BETA STREPTOCOCCUS, CULTURE, GROUP B BETA STREPTOCOCCUS, M542
Includes: Streptococcus agalactiae
Sample Type: Vaginal/Rectal swab
Preferred Container: eSwab
Alternate Container: Culturette
Sample Volume: 1 Swab
Handling Instructions: Vaginal and Rectal swab collected simultaneously.
Transport Temperature: Refrigerated
Testing Frequency: Daily
Expected Turn Around Time: 4 Days
Testing Facility: AEL
CPT Codes: 87081, additional CPT Codes as required for identification.
Ordering Recommendation: Streptococcus agalactiae is sensitive to Penicillin. If patient is Penicillin allergic, order C GBSPEN to get D-Test on GBS Isolates. For prenatal Screening at 36-38 weeks gestation, CDC guidelines specify testing for vaginal/rectal swabs. Do not use a speculum. Sample should be from the vaginal introitus, not from the cervix. Rectal swab should be inserted 1-2 cm.
Notes: For best sensitivity, CDC recommends transport of specimens to the lab within 24 hours.