Breadcrumb Home Clinical Diagnostic Services Complement-Mediated Kidney Clinical Division A La Carte Kidney A La Carte Tests KIDNEY FUNCTIONAL TESTS A LA CARTECH50Alternative Pathway Functional Assay (APFA)C3b Deposition AssayFluid Phase Activity Assay (IFE)FH Autoantibody (FHAA)FB Autoantibody (FBAA)C3Nef (C3CSA)C5Nef (C3CSAP)C4NefKIDNEY BIOMARKER TESTS A LA CARTEC3 LevelC3c LevelC4 Level Factor D Level (FD)Factor B Level (FB)Ba LevelBb LevelC5 LevelProperdin LevelSoluble C5b-9 (sC5b-9)Factor I Level (FI)Factor H Level (FH)ADAMTS-13 ASSAYSADAMTS-13 Activity AssayADAMTS-13 Activity Assay w/ reflex to ADAMTS-13 Inhibitor Assay if activity <25% The Clinical Diagnostics Service of the Molecular Otolaryngology and Renal Research Laboratories is a Joint Commission-approved CLIA-accredited diagnostic laboratory.