LEPTOSPIRA ANTIBODY, IgM by DOT BLOT

Specimen Required
Draw blood in a SST. Centrifuge, remove serum from cells within 2 hours of collection, and send 1.0 mL serum (0.1 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top plasma: sodium or lithium heparin.

Rejection Criteria
Hemolyzed or grossly lipemic specimens. Heat activated specimens.

Methodology
Qualitative Immunoblot

Stability
Room temperature: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Range
Negative: No significant level of Leptospira IgM antibody detected.
Equivocal: Questionable presence of Leptospira IgM antibody detected. Repeat testing in 10-14 days may be helpful.
Positive: Presence of IgM antibody to Leptospira detected, suggestive of a current or recent infection.

Performed
Monday, Thursday

Turnaround Time3-7 days
Test CodeLEPM
CPT-4 Code (s)
86720
LOINC Codes
Leptospira Antibody, IgM by Dot Blot:   23202-5  

Warde
Medical
Laboratory