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Lyme Disease Antibody Index for CNS Infection
82040, 82042, 82784 (X2), 86618 (X4)
Borrelia burgdorferi IgG, IgM Antibodies (CSF and Serum); Total IgG and Total IgM (CSF and Serum); Albumin (CSF and Serum); Borrelia burgdorferi Antibody Index; Albumin Ratio
2 mL serum and 2 mL CSF
1 mL serum; 1 mL CSF
Plastic screw-cap vial
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Enzyme Linked Immunosorbent Assay (ELISA) • Nephelometry
|Focus Diagnostics, Inc|
|5785 Corporate Avenue|
|Cypress , CA 90630-4753|
Set up: Tues, Fri a.m.; Report available: 3-7 days at Focus
|Lyme Disease Antibody Index:|
|Control Antibody Index:|
The Borrelia burgdorferi antibody index is used as an aid for the diagnosis of neuroborreliosis. An increased Borrelia burgdorferi antibody index (> 1.2). Accompanied by a control antibody index of less than 1.0 and an albumin ratio of less than 0.0078 is strong evidence for inrathecal synthesis of organism-specific antibody, and thus CNS involvement by B. burgdorferi. Elevation of either the control antibody index, the albumn ratio, or both may indicate leakage of antibody across the blood-brain barrier which may falsely elevate the B. burgdorferi antibody index.
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 Name||LOINC Code||Component Name|
|85969970||LYME DISEASE AB INDEX||23833-7||Borrelia burgdorferi Ab index|
|85969990||INTERPRETATION||23833-7||Borrelia burgdorferi Ab index|
|85977490||CONTROL AB INDEX||23833-7||Borrelia burgdorferi Ab index|
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.