Lyme CNS Infection IgG with reflex to Antibody Index

General Information

Lab Name
Lab Code: 892
Description: This test aids in the diagnosis of neuroinvasive Lyme disease or neuroborreliosis due to Borrelia species associated with Lyme disease (eg, B burgdorferi, B garinii, B afzelli). If the screen is reactive, then the antibody index is performed at an additional charge. Note: This test requires both CSF and blood, collected within 24 hours of each other. Mayo Lyme Neuroborreliosis Diagnostic Algorithm
Synonyms: Borrelia species, LNBAB, Lyme CNS Disease, Neuroborreliosis, Neuroinvasive Lyme Disease

Method

Enzyme-Linked Immunosorbent Assay (ELISA)

Guidelines

Specimen Type: CSF [Cerebrospinal Fluid] & Blood
Collection: 1.5 mL Spinal Fluid + 5mL blood in RED TOP tube or GOLD TOP (SST)

Note: Blood and CSF samples must be collected within 24 hours of each other.
Handling Instructions
Quantity: requested: 1.5 mL CSF + 1.5 mL Serum
minimum: 1.2 mL CSF + 1.2 mL Serum

Processing: CSF: Refrigerate sample.
Blood: Centrifuge sample; transfer serum to a separate vial and refrigerate.

Login: SEND1-;REFRIG

RSNDTO: MAYOSD
RSPTYP: CSF-SRM
RTSTRQ: ;Lyme CNS Infection IgG with AI Reflex (Mayo Test LNBAB)

Sendouts, order Mayo Test: LNBAB. Write the sample type (CSF or Serum) on the aliquot tubes and band them together.

Stability: Refrigerated (Preferred): 11 days; Frozen: 35 days; Ambient: Unacceptable.

LIS Dept Code

Performing Location(s)

HMC	Sendout
UW-MT	Sendout

Other Locations/Notes

MAYOSD Mayo Medical Laboratories 3050 Superior Drive NW Rochester, MN 55901 1-800-533-1710

Frequency

Performed: Monday, Wednesday, Friday at 08:00 am. Maximum Laboratory Time: 4 days.

Available STAT?

CPT codes
Billing Comments: CPT Codes: Lyme CNS IgG Screen: 86618; Lyme CNS IgG Antibody Index, if performed: 86317x2, 82784x2, 82042
LOINC