Lyme Disease Antibodies (Late Disease)
Label Mnemonic: LYMEL
Epic Lab Code: LAB7770
Downtime Form: A-1a Miscellaneous Request
Chemistry
6240 RCP
356-3527
Specimen(s):
Serum
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
2 mL serum
Testing Schedule:
Batch analysis (see Turn Around Time below).
Turn Around Time:
In months with low Lyme activity (September through March), testing performed on Monday and Thursday. Testing run Monday-Friday in peak season (April through August).
Reference Range:
Borrelia burgdorferi IgG Antibodies <0.20: Negative >0.2: Positive Lyme Ab IgG Confirmation Negative
Comments:
Preferred reflex test to detect Lyme disease in individuals with >4 weeks of clinical symptoms or exposure to tick. Positive screen confirmed by Immunoblot.

If initial screen is equivocal or positive, then Immunoblot will be added. Additional charges apply.
Methodology:
Enzyme Linked Fluorescent Assay (ELFA)/Qualitative Western Blot
CPT Code:
86618; if positive, add 86617