Casandra
Casandra Test Code QD03315Version 1 (DRAFT)
Performing Lab
Lyme Disease Antibody, IgG, Immunoblot
Also known as: Borrelia burgdorferi
Clinical Use
Order TestUse
Confirmatory testing for exposure to B. burgdorferi following a positive or equivocal screening test. The immunoblot provides high specificity by detecting IgG antibodies to multiple specific B. burgdorferi antigens, supporting diagnosis of past or late-stage Lyme disease.
Special Instructions
Not provided.
Limitations
IgM immunoblot not recommended beyond 30 days post-symptom onset due to risk of false positives. Negative results cannot rule out early infection; repeat testing may be needed.
Test Details
Methodology
Immunoassay (Immunoblot)
Biomarkers
10 targets
p18 BB IgGp23 BB IgGp28 BB IgGp30 BB IgGp39 BB IgGp41 BB IgGp45 BB IgGp58 BB IgG+2 more
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
2 mL
Minimum Volume
Not provided
Container
Gold Top, Serum Separator (SST) tube
Collection Instructions
Allow to sit upright for 30 minutes, centrifuge 15 minutes
Storage Instructions
Transport refrigerated
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 7 days |
| Frozen | <20°C for long-term storage |