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 28 percent of the U.S. population.
(This code is effective for cases diagnosed 2010 and later. For cases diagnosed prior to 2010 see code 9801/3.)
This is a rare leukemia that is more common in children than in adults. Patients with B/myeloid leukemia with MLL translocations are often treated differently from patients diagnosed with ALL with MLL translocations, but there is no evidence that the difference in treatment is necessary or helpful.