Group B Strep

Last Modified: 9/26/2023 11:57:26 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation: Prior treatment with antibiotics could inhibit or prevent growth of Group B Strep
Specimen Requirements: eSwab
Collection Instructions:

If patient is allergic to Pencillin please note on the order


Specimen must be collected at 35 to 37 weeks gestation collected from the Vaginal/Rectal area.
  1. Open eSwab collection kit
  2. Grasp swab above pink breakpoint line. Swab the distal vagina first, followed by the rectum, inserting swab through the anal sphincter.
  3. Open eSwab culture tube. Place swab in tube, breaking off at pink breakpoint line. 
  4. Cap tube securely, label appropriately, and send to lab.
Transport & Storage: Temperature/Stability: 4 days Ambient
4 days Refrigerated
Reference Range: No Group B Streptococcus detected by DNA Amplification
Critical Ranges:  
Test Comments:  
Methodology: Polymerase Chain Reaction (PCR)
Clinical Significance:  
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 1 to 2 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: GBDNA
EPIC Test Code: LAB2774
Alternate Test Names: GBS
Included Tests:  
CPT Coding: 87653

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