Knowledge Base
Guides and analyte explainers for IVD rapid testing — written for buyers and point-of-care users.
Testing Guides
Testing Methodologies
Lateral flow vs fluorescence immunoassay (FIA).
Specimen Types Blood, serum, plasma, swab, urine, feces, oral fluid.
Sensitivity & Specificity PPV, NPV and reading test accuracy.
The Diagnostic Window Why timing determines test accuracy.
Screening vs Confirmatory Two-tier diagnosis explained.
Storage & Transport Temperature, shelf life and no cold chain.
How to Read a Result Control line, test line and common errors.
QC Requirements Internal control, lot records, ISO 13485.
Supplier Evaluation Checklist How to evaluate an IVD rapid test supplier.
Analyte Explainers (35)
Alpha-Fetoprotein (AFP) Amphetamine Benzodiazepines C-Reactive Protein (CRP) Calprotectin Cardiac Troponin (cTnI / cTnT) CEA (Carcinoembryonic Antigen) CK-MB (Creatine Kinase-MB) Cocaine (Benzoylecgonine) D-Dimer Dengue NS1 Antigen Fentanyl Ferritin Follicle-Stimulating Hormone (FSH) H-FABP (Heart Fatty Acid-Binding Protein) H. pylori Antigen HbA1c (Glycated Hemoglobin) Hepatitis B Surface Antigen (HBsAg) Hepatitis C Antibodies (Anti-HCV) HIV-1/2 Antibodies Human Chorionic Gonadotropin (hCG) Ketamine Luteinizing Hormone (LH) Methadone Methamphetamine Morphine Myoglobin Opiates (Class) Procalcitonin (PCT) Prostate-Specific Antigen (PSA) SAA (Serum Amyloid A) THC (Cannabis) TSH (Thyroid-Stimulating Hormone) Vitamin D (25-OH) Xylazine