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Test Code LAB502 Strep Screen, Group B Strep, Prenatal

Infectious

Specimen Type

Vaginal and anorectal swab

Specimen Requirement

Swab: Collect a Culturette swab of the vaginal introitus and anorectum. Place the swab in the transport tube.  Susceptibility testing will be performed for positive specimens if the patient has a penicillin allergy.

Rejection Criteria

Reject if specimen container is unlabeled or leaking.

Reject for inappropriate storage or transport.

Storage and Transport

Transport swab to Microbiology Lab within 2 hours at room temperature.

Store at 20-25C and transport within 24h.

Store at 2-8C and transport within 6d.

Testing Schedule

Performed daily

Reference Range

Group B Streptococcus not detected.

Testing Department

Microbiology

Method

Nucleic acid test

CPT Code

87081

Turnaround Time

24 hours

STAT Turnaround Time

Not Applicable