Labeled slides or <1 hr old sample in EDTA (purple top) vacutainer. For direct clients, under clinical history capture whether or not the patient has been transfused within the past 3-4 months.
For guidance on preparation of peripheral blood films, review this Youtube Video
For guidance on packaging of slides for transportation, review this Youtube Video
Clinical Utility
Evaluation of blood cells (numbers, appearance), evaluation of leukemias and lymphomas, presence or absence of hemoparasites like malaria etc.