Patients must not be known to have AML in the central nervous system (CNS) Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement by malignancy Known central nervous system (CNS) involvement with CLL or T-LGL Subject has known active central nervous system (CNS) involvement from AML Known central nervous system (CNS) involvement Participant has known active central nervous system (CNS) involvement with AML. Patients with known active central nervous system (CNS) disease, including leptomeningeal involvement Known central nervous system (CNS) involvement Known active central nervous system (CNS) involvement Known active central nervous system (CNS) involvement by MM Subject has known active central nervous system (CNS) involvement with AML known active central nervous system (CNS) involvement by malignancy. History of or known active central nervous system (CNS) involvement with AML Participant has known Central Nervous System (CNS) involvement with AML. Patients with known active central nervous system (CNS) disease, including leptomeningeal involvement Known central nervous system (CNS) involvement Patients with known central nervous system (CNS) involvement Known brain metastases or central nervous system (CNS) involvement Has known clinically active central nervous system (CNS) involvement Known central nervous system (CNS) tumor involvement Known active central nervous system (CNS) involvement Patients with known central nervous system (CNS) involvement Patients with known central nervous system (CNS) involvement by leukemia History of or known active central nervous system (CNS) involvement or leptomeningeal involvement Known active central nervous system (CNS) involvement with AML at study entry AML central nervous system (CNS) involvement Has known clinically active central nervous system (CNS) involvement Patient must have no known central nervous system (CNS) involvement AML patients with known, active leptomeningeal/central nervous system (CNS) involvement Known central nervous system (CNS) involvement by malignancy Known central nervous system (CNS) involvement Participant has known active central nervous system (CNS) involvement with AML. Subjects with known or suspected central nervous system (CNS) involvement are not eligible Patients with known central nervous system (CNS) involvement are excluded from this clinical trial Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement Patients with known central nervous system (CNS) involvement Known central nervous system (CNS) involvement Known central nervous system (CNS) involvement by AML Patients must not have known central nervous system (CNS) involvement Patients with known central nervous system (CNS) involvement