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Test Code LAB0249854 Culture, Group B Streptoccocus, Rectal and Vaginal

Methodology

Conventional Culture Technique

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Vaginal introitus and anorectum

Container/Tube: Vaginal/rectal combination swab

Culture transport swab (dacron or rayon swab) with plastic shaft with either Stuart or Amies liquid medium; ESwab.

Specimen Volume: Swab

 

Additional Information:

1. Performed as adjunct testing on Group B strep LIM broth PCR tests that are Group B strep positive and the patient is resistant to penicillins.

2. Vaginal/rectal combination swab is the only acceptable specimen according to Centers for Disease Control and Prevention (CDC) guidelines. Vaginal only, rectal only, or other sources are not acceptable.

 

 

Specimen Transport Temperature

Ambient (preferred) 24 hours

Refrigerated 24 hours

 

Reference Values

Negative 

Positive cultures are reported out as Streptococcus agalactiae

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

Applicable codes applied at time of work up