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34194: Lyme Disease Antibody Index For CNS Infection Print View
Lyme Disease AB Index      
Control Ab Index   < 1.1   
Albumin Ratio   < .0078   
Interpretation      

PRIMARY
1 Serum 2 (1) mL   Refrigerated - 14 Day(s)/Frozen - 30 Day(s)/Room Temperature - 7 Day(s)  
2 CSF 2 (1) mL   Frozen - 30 Day(s)/Refrigerated - 14 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE

The Lyme Disease Antibody Index is used as an aid in the diagnosis of neuroborreliosis. An increased Lyme Disease 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 intrathecal synthesis of organism-specific antibody, and thus CNS involvement by B.burgdorferi. Elevation of either the control antibody index, the Albumin Ratio, or both may indicate leakage of antibody across the blood-brain barrier, which may falsely elvate the Lyme Disease Antibody Index.
Setup Schedule
Tuesday, Friday

Reported (Analytical Time)
Same day

CPT Codes
82040,82042,82784x2,86618x4

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.

Notes
METHODOLOGY: ELISA, NEPH

Transport Temperature: Refrigerated






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