The fCys-C Antigen Test Cassette (Serum/Plasma) is a lateral flow immunochromatographic assay for the quantitative detection of Cys-C in feline’ s serum or plasma with the use of Fluorescence Immunoassay Analyzer. For veterinary use only. (Test Range: 2 mg/dL-50 mg/dL) (Sampling volume: Serum/plasma:20 μL)