Laboratory Test Detail

Last Updated: September 19, 2019 @ 9:13 am

3164

Group B Streptococcus by PCR

Specimen:Collect:
  • Culturette-Aerobic

Also Acceptable:
  • Culturette-Anaerobic
Submit:
  • Culturette-Aerobic. Submit Refrigerated.

Also Acceptable:
  • Culturette-Anaerobic. Submit Refrigerated.
Special Handling:
  • Possible Sources: Urogenital, Vaginal or Rectal
    Specimen stable incubated in Todd Hewitt for 18-24 hrs.
    Swab can also be submitted in Todd Hewitt (LIM) Broth.
Rejection Criteria:
  • Specimen submitted frozen
  • Wood Swabs
  • Cotton Swabs
    Sample exposed to excessive heat
    Collection devices other than the dual rayon swab is not recommended.
Stability:Ambient: 1 Day(s); Refrigerated: 6 Day(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology:
  • Automated Real-Time PCR by Cepheid GeneXpert
Performed:Sunday, Mon-Sat
Reported:2-4 Day(s)
CPT Codes:
  • 87653
Interpretive Data:

This test is performed by Cepheid GeneXpert.

The use of collection devices other than the dual rayon swab is not recommended. Other specimen types have not been validated with the Xpert GBS test.

False negative results may occur if the number of organisms in the sample is below the limit of detection.

Test results may be affected by prior antibiotic therapy.

DNA from non-viable organisms may be detected. A positive result is presumptive for the presence of GBS.
Components:
  • 3164 - GROUP B STREP-PCR
Print Friendly, PDF & Email

Disclaimer:
It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date.
Updated test information can only be guaranteed by using this website.