You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is An otherwise healthy child has on his 1-year-old routine CBC the polymorphonuclear neutrophil shown below. Which of the following is an appropriate next step? and explain in detail?
The finding of hyper-segmented neutrophils in the peripheral blood is one of the most useful laboratory aids in making an early diagnosis of folate deficiency. Serum folate levels become low in weeks with an inadequate dietary source.