α1-Microglobulin(A1M) Determination Reagent(Latex Immunoturbidimetry) is an in vitro diagnostic quantitative test kit. It is mainly used for the auxiliary diagnosis of renal tubular injury.

α1-Microglobulin is one of the three original members of the lipocalin superfamily. α1-Microglobulin has a free cysteine side-chain located in a flexible loop, giving the protein reductase and dehydrogenase properties with a broad biological substrate specificity.