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Test Code VAGINAL STREP Culture-Rectal/Vaginal Strep Screen

Clinical Indications

Screening pregnant women for colonization with Streptococcus agalactiae (Group B strep) at 35 to 37 weeks gestation

Maternal vaginal or rectal colonization with Streptococcus agalactiae is a risk factor for early-onset infection in infants.

Additional Test Codes

Epic Order Code: Culture-Strep Screen
Sunquest Order Code: STREP
Epic Px Code: LAB4009

Specimen Collection Type

Swab (sponge or gel) of rectal/vaginal source

Minimum Collection Volume

N/A

Reference Range

Negative for S. agalactiae

Critical Value

N/A

Interpretation

A positive culture indicates colonization with S. agalactiae.

Susceptibility may be performed if penicillin allergy is indicated.

Rejection Criteria

Dry swab

Specimen Availability for Add-on Testing

N/A

Specimen Stability

24 hours at 2-8°C or room temperature

Day(s) Performed

Monday through Sunday

Performing Lab- Department

TUKHS-BH-Microbiology

CPT Code

87081

LOINC Code

547-2

Test Alias

N/A

Additional Information / Notes

N/A