The pre-myeloid cancer and bone marrow failure clinic is an individualized medicine clinic conceptualized for the early detection of myeloid malignancies such as, myelodysplastic syndromes (MDS), myeloproliferative neoplasms (MPN), MDS/MPN overlap syndromes and acute myeloid leukemia (AML). Using next-generation sequencing technologies, clonal hematopoietic stem cell changes can be detected early on in myeloid malignancies. These changes are currently classified as follows: