Clinical laboratory testing in the areas of Hematology, Coagulation studies, Clinical Chemistry, Special Chemistry, and Microbiology including Bacteriology, Parasitology, Serology, Immunology, and Cytology.
Partial thromboplastin time (PTT) is a blood test that looks at how long it takes for blood to clot. It can help determine if you have a bleeding problem or if your blood does not clot properly.