Types of in vitro diagnostic (IVD) tests include clinical chemistry, hematology, immunoassays, microbiology, molecular diagnostics, and point-of-care tests. Clinical chemistry analyzes blood or urine, while hematology examines blood cells. Immunoassays detect antibodies or antigens, and microbiology identifies infectious agents. Molecular diagnostics analyze genetic material, while point-of-care tests provide rapid results at or near the patient.