<prompt> The Limulus amebocyte lysate assay is a rapid diagnostic test used for the detection of:MeningitisPneumoniaSepticemiaEndocarditis  <response>: The Limulus amebocyte lysate assay is a rapid diagnostic test for the detection of gram-negative endotoxin in CSF and thus for making a diagnosis of gram-negative bacterial meningitis. The test has a specificity of 85-100 and a sensitivity approaching 100. Ref: Harrisons principles of internal medicine, 18th edition, Page: 2356 