Group B Streptococcus PCR with Reflex Culture for Susceptibility

Label Mnemonic:	GROUP B STRE
Epic code:	LAB8018
Downtime form:	Doctor/Provider Orders - Pathology Microbiology

Microbiology
BT 6004
356-2591 Bacteriology/Virology Section

Specimen(s):

Vaginal/Rectal

Collection Medium:

	or
Copan Dual Swab (Hospital Stores #26200)	or	ESwab Collection & Transport System (Hospital Stores #74541)

Delivery Instructions:

Deliver to laboratory immediately after collection. Specimens should be transported at 2-27°C.

Testing Schedule:

Daily - Batch analysis performed daily.

Turn Around Time:

24-48 hours (upon receipt in laboratory)

Reference Range:

Negative

Comments:

Collect Copan Dual Swab or Eswab. Swab the lower vagina, followed by the rectum using the same swab.

Send to Microbiology. In cases where known Penicillin allergy is indicated, a reflex culture for susceptibilities will be set up if the PCR testing is positive for Group B Streptococcus.

In cases where a Penicillin allergy is discovered after initial screening for GBS is complete, culture and susceptibility testing can be added onto the original sample for 7 days by ordering LAB2328 - Group B Strep Culture.

Methodology:

PCR amplification; Xpert GBS LB (Cepheid)

CPT Code:

87653