ARUP's Laboratory Test Directory

0051043: Borrelia burgdorferi C6 Peptide Antibodies, Total by ELISA with Reflex to IgG & IgM by Western Blot

Test Mnemonic: C6 ACUTE R
Methodology: Enzyme-Linked Immunosorbent Assay/Western Blot

Performed: Tue, Thu

Reported: 1-7 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 2 mL serum at 2-8°C. (Min: 0.2 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.5 mL serum at 2-8°C. (Min: 0.2 mL)

Unacceptable Conditions: CSF. Hemolyzed, lipemic, heat-inactivated, or contaminated specimens.

Stability: After separation from cells: Ambient 2 days; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval:
 
Test Number Components Reference Interval
0051044Borrelia burgdorferi C6 Peptide Antibodies, Total by ELISA 0.90 LI or less:  Negative - C6 peptide antibody to B. burgdorferi not detected.
0.91 - 1.09 LI:  Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 LI or greater: Positive - C6 peptide antibody to B. burgdorferi detected.
0050255Borrelia burgdorferi Antibody, IgG by Western Blot Negative

IgG Positive: Any five of the following 10 bands: 18, 23, 28, 30, 39, 41, 45, 58, 66, or 93 kDa.
IgG Negative: Any pattern that does not meet the IgG-positive criteria.
0050253Borrelia burgdorferi Antibody, IgM by Western Blot Negative

IgM Positive: Any 2 of the following 3 bands: 23, 39, or 41 kDa.
IgM Negative: Any pattern that does not meet the IgM positive criteria.

Note:
If C6 Peptide by ELISA is 0.91 LI, then IgG and IgM Western blot will be added.

CPT Code(s):
86618 C6 Peptide; if positive add, 86617 x2 Lyme IgG/IgM

 

 

 
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