Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Pediatric Collection/Transport: 0.15 mL serum at 2-8°C.
Remarks: Separate serum from cells ASAP.
Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
< 1:50 Negative - No antibody detected. 1:50 Equivocal - Suggest repeat testing in two to three weeks. ³ 1:100 Positive - Suggestive of current or recent leptospirosis.