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Lyme Disease Antibody with Reflex to Blot (IgG, IgM)

Test Code

6646

CPT Code(s)

86618

Includes

If Lyme Disease Antibody Screen is Equivocal or Positive, Lyme Disease Antibodies (IgG, IgM), Immunoblot will be performed at an additional charge (CPT code(s): 86617 x2).

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Specimen Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria

Gross hemolysis • Gross lipemia

Methodology

Immunoassay (IA) • Reflex: Immunoblot (IB)

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Mon-Fri a.m.; Report available: Next day

Reference Range(s)

≤0.90 Negative
0.91-1.09 Equivocal
≥1.10 Positive

Clinical Significance

Lyme disease is caused by a bacterium borrelia burgdorferi and is transmitted by ticks. EIA is the screening test with high sensitivity for antibody detection. Immunoblot testing qualitatively examines with high specificity antibodies in a patient's specimen. Immunoblot testing is appropriate for confirming a detected EIA test result.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
26102BLyme Antibody Screen5060-9Borrelia burgdorferi Ab
2976AProgressive Lyme20449-5Borrelia burgdorferi Ab

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.