Limulus Amebocyte Lysate (LAL) Assay, Quantitative
Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
LEVEL DETECTED INTERPRETATION
<0.05 EU/mL None Detected (Negative)
0.25 EU/mL USP acceptable limits for
injectable or irrigation water.
0.50 EU/mL USP acceptable limits for
2.00 EU/mL Acceptable upper limit for
Hemodialysis reuse water.
The LAL is used as a quantitative test to detect gram-
negative endotoxin in aqueous solutions used in patient
management. The LAL assay is not recommended for serum or
plasma samples due to the presence of inhibitory factors. It
is essential to maintain specimen sterility and prevent
false positive results from exogenous gram negative
Test Performed by: Focus Diagnostics, Inc.
5785 Corporate Ave.
Cypress, CA 90630-4750