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Lyme Disease, Cerebrospinal Fluid (CSF) (Southeast Michigan Only)

CSF, Reflex Immunoblot, Reflex Intrathecal Antibody Production Index with Interpretation

Test Codes

EPIC: LAB1231510, Beaker: XLYMC, ARUP: 2007335

Department

Send Outs

Specimen Collection Criteria

Collect: CSF in a sterile collection container.

Transport specimen to the Laboratory for processing immediately after collection.

Physician Office/Draw Specimen Preparation

Refrigerate (2-8°C or 36-46°F) CSF in a sterile container immediately after collection and prior to transport.

Preparation for Courier Transport

Transport: 6.0 mL CSF, refrigerated (2-8°C or 36-46°F). (Minimum: 2.5 mL)

Rejection Criteria

• Specimens not collected and processed as indicated.
• Hemoloyzed specimens.

Inpatient Specimen Preparation

Transport CSF to the Laboratory immediately for processing.

In-Lab Processing

Refrigerate (2-8°C or 36-46°F) CSF in a sterile container immediately after collection and prior to transport.

Transport: 6.0 mL CSF, refrigerated (2-8°C or 36-46°F). (Minimum: 2.5 mL)

Storage

Specimen Stability for Testing:

Room temperature (20-26°C or 68-78.8°F): 8 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, Utah

Performed

Sunday – Saturday.
Report available in 2-5 days.

Reference Range

Negative.

Test Methodology

Semi Quant Enzyme-Linked Immunosorbent Assay (ELISA) Qualitative / Immunoblot.

CPT Codes

86618x1: Lyme Disease Serology.
86617x2: Lyme Disease Immunoblot (if necessary).

Contacts

Last Updated

11/4/2024