- Aids- Elisa,Western blot,Rapid,Neva,PCR
- Jaundice – Bilirubin
- TB – Mantaux
- Leprosy-Histamine
- Diphteria-shick
- Typhoid-Vidal
- Cancer-Biopsy
- Breast Cancer-Mamography
- Malaria-Blood smear test
- Servical Cancer-Papsmear
- Drug addiction- Dop test
- Lie detecting test- Polygraph
