SEER is an authoritative source of information on cancer incidence and survival in the United States. SEER currently collects and publishes cancer incidence and survival data from population-based cancer registries covering approximately 30 percent of the U.S. population.
Patients with leukemias that have deletions of 11q23 without MLL rearrangements are not included in this group.
(This code is effective for cases diagnosed 2010 and later. For cases diagnosed prior to 2010, see codes: 9728/3 [lymphoma] or 9836/3 [leukemia].)
The specific etiology of leukemia with MLL translocations is unknown; however, it may occur in utero, with a short latency between the translocation and development of disease. Evidence for this statement includes the fact that these leukemias are frequent in very young infants.