Culture, Group B Streptococcus With Susceptibility Testing

Test Code

CXGBS

Alias/See Also

Epic: LAB13169

Includes

Enrichment Culture and Detection of Group B Streptococcus With Antibiotic susceptibility testing (for Penicillin allergic patients)

Preferred Specimen

Specimen Type: Swab
Sources: Vaginal/rectal combination swab
Collection Container: E-Swab
Specimen Volume: Swab

Instructions

Without using a speculum, collect the specimen first from the vagina (near the introitus) by inserting the swab about two centimeters and then from the rectum by inserting the same swab one centimeter through the anal sphincter.

Specimen Stability

Specimen must arrive within 24-48 hours of collection.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Rejection will occur for the following reasons: improperly labeled specimen, insufficient volume, specimen not submitted in appropriate transport container, frozen specimen

Methodology
Enrichment Culture and Detection of Group B Streptococcus With Antibiotic susceptibility testing (for Penicillin allergic patients)

Setup Schedule

Daily

Report Available

3-4 Days

Reference Range

No Growth of Group B Streptococcus

Performing Laboratory

Inova Laboratories

2832 Juniper Street

Fairfax, VA 22031

Last Updated: May 15, 2023
Last Review: N. Wolford, May 15, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.