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Test Code GBS Cx Group B Strep Culture

Additional Codes

LAB1377

Testing

Screening of pregnant females for carriage of group B streptococci by culture at 35 to 37 weeks gestation will help determine which females should receive antibiotics during delivery to help prevent infection of newborn. For maximum recovery of group B streptococci, this test should be collected and ordered separately from other cultures.

Performing Laboratory

Sky Lakes Medical Center-Microbiology

Specimen Requirements

Specimen Type: Vaginal introitus or vaginal/rectum

Container/Tube: Sterile culture swabs in sterile culture transport tubes

Specimen Volume: 2 swabs

Collection Instructions:

1. Specimen source is required.

2. Label tubes with patient’s name (first and last), medical record number or date of birth, specimen source, and date and time of collection.

3. Cervical swab is not acceptable.

Specimen Transport Temperature

Ambient

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

87070