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Laboratory result that reflects a life-threatening situation determined by a physician and for which an intervention is needed.

What is the FAB classification of the acute leukemia that is often associated with dry bone marrow tap, cytopenia with increased PLT count and often shows cells such as these in the peripheral blood?

Acute myelomonocytic leukemia (AMML) corresponds with which FAB classification?

What laboratory test result is suggestive of an intravascular hemolytic process?

A bone marrow review on a 15-year-old girl with acute leukemia revealed many blasts with the following characteristics: high N:C ratio, prominent nucleoli, open chromatin pattern, and basophilic cytoplasm. Cytochemical staining revealed negative reactivity with MPO and SBB. Nonspecific esterase was positive. No cytogenetic abnormalities were detected. What is the most likely lineage of the blast cells in question?

A patient reported to the emergency room with complaints of lightheadedness, shortness of breath, and bloody stool. You ran a CBC on the patient and saw the following results: WBC: 14.0 x103/mcLRBC: 2.4 x106/mcLHGB: 6.9 g/dLHCT: 21.7% What should your next action be?

The MPV is a parameter describing:

You ran a microhematocrit your first result was 27% and second result was 28%. You then ran a CBC and found the RBC count to be 3.00 x 10^6/mcL, and the HGB was 8.9 g/dL. What are the RBC indices?  

Which clinical manifestation is common in vitamin B12 deficiency but not in folate deficiency?

All of the following contribute to a diagnosis of hypersplenism EXCEPT: