NEW CONFIRMATORY TEST
Borrelia (Lyme Disease) Antibody, Serum
Order Code: BORSC
Fee Code: 37954 (CPT 86618)
Borrelia (Lyme Disease) Antibody by Modified Two-Tier Testing (confirmatory test)
Order Code: LYME2
Fee Code: VA001, VA002 (CPT 86617 x2)
Effective April 8, 2025, MLabs Special Chemistry Laboratory will perform confirmation testing (order code LYME2) on all positive or equivocal Borrelia (Lyme Disease), Antibody (order code BORSC) results. This automatically reflexed confirmatory test will include Lyme IgG and Lyme IgM antibody performed using the DiaSorin Liaison XL and replaces testing currently forwarded to MDHHS (order code LYMCF). The confirmatory test is the second stage of a modified two-tier test algorithm approved by the FDA.
All antibody confirmatory testing will include a Lyme IgG antibody confirmation result, Lyme IgM antibody confirmation result and a Lyme antibody confirmation interpretation chart.