UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for Moffitt-Long and Mount Zion

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu

Streptococcus Group B Culture

Item Value
Approval req'd? No
Available Stat? No
Test code P138
Performed by Microbiology
In House Availability Set up daily, day and evening shifts
Method Culture
Collection Instructions Collect combined rectal and introital sample.

Indicate on requisition if the patient is allergic to penicillin.
Container type Swab in Todd-Hewitt (LIM) broth available from Microbiology or swab in charcoal transport medium (NOT preferred)
Sample type Anal-vaginal swab
UCSF Rejection Criteria Swabs not received in Todd-Hewitt (LIM) broth or charcoal transport media.
Processing notes Put swabs received in charcoal transport medium into Todd-Hewitt (LIM) broth.
Normal range
Critical value Positive culture from L&D patient.
Synonyms Bacterial culture
Stability Room temperature 12 hours
Turn around times 3 days
Additional information For detection of carriers prior to delivery.

If penicillin allergy is indicated on the requisition microbiology will perform susceptability studies to erythromycin and clindamycin.
CPT coding 87081
LOINC code 582-7
Last Updated 10/2/2010 11:52:37 AM
Entry Number 876
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center