Group B Strep Antigen - Serum (STR B AG)
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| Synonyms:
| Beta-Strep (Group B) Antigen |
| Specimen: | Blood; (1) SST (serum separator) or Red (no preservative) top vacutainer tube. |
| Volume: | Full primary tube |
| Minimum Volume: | 200 microL serum |
| Collection: | If tube other than an SST is collected, transfer serum to a tightly capped plastic aliquot tube within 2 hours of collection for transport. Refrigerate at 2-8 °C.
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| Rejection Criteria: | Improper labeling. |
| Reference Range: | Negative |
| Methodology: | Latex agglutination (LA) |
| Test Use: | Detection of bacterial antigens to group B Streptococcus |
| Additional Information: | Group B Streptococcus is a significant pathogen, particularly in neonates. Sensitivity of the test varies depending on concentration of antigen in specimen. |
| Testing Includes: | Specimen sent to LabCorp. LabCorp test # 018804.
Group B Strep antigen detection only.
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| Testing Facility: | LabCorp |