10 diagnostic kits and instruments primarily comprised of a coated surface, a reagent, and an immunoassay using antibodies or molecular probes for kidney diseases, prediabetes, diabetes, hypertension, dementia, neurological diseases, aging, cardiovascular diseases, gastrointestinal diseases and medical use; testing apparatus and instruments for medical purposes in the nature of a coated surface, a reagent, and an immunoassay using antibodies or molecular probes used to create assays to capture and detect disease biomarkers, namely, for detecting kidney diseases; none of the foregoing for testing the presence of drugs, alcohol, or toxins and none being test kits comprised of immunohistochemistry reagents and immunodiagnostic preparations or medical diagnostic apparatus for testing protein, peptides, DNA and RNA samples