Group B Streptococcus PCR with Reflex Culture for Susceptibility
Label Mnemonic: GROUP B STRE
Epic code: LAB8018
Order form: Microbiology Laboratory Requisition
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 87653
Specimen(s):
Vaginal/Rectal
Collection Medium:
or
Copan Dual Swab (Hospital Stores #26200) ESwab Collection & Transport System (Hospital Stores #74541)
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. 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)
Sample Processing:
Label transport tube with two patient identifiers, date and time of collection.
Maintain sterility and forward promptly to lab.
Specimen should be collected and packaged as close to shipping time as possible.
Sample Storage:
Maintain specimen at room temperature or refrigerated.
Transport Instructions:
Coolant packs up to 8 hours.
Place requisition into outside pocket of bag.
Place specimen into zip-lock type bag, seal bag.
CPT Code:
87653