The<unk><unk><unk><unk>  (FAB) classification systems refers to a series of classifications of hematologic diseases. It is based on the presence of dysmyelopoiesis and the quantification of myeloblasts and erythroblasts. It was first produced in 1976. Types include: * FAB classification of acute lymphoblastic leukemias: L1–L3 (three subtypes) * FAB classification of acute myeloid leukemias: M0–M7 (eight subtypes) * FAB classification of myelodysplastic syndromes Updates continued through at least 1989.
French–American–British classification
Mayfield classification
Kauffman–White classification
Engel classification
Vancouver classification
Gartland classification
Evans–Jensen classification
Ruedi–Allgower classification