Can you tell I am on Accutane by looking at my blood test result?

I am about to get a blood test done for the military. I am trying to join one of the branches. My recruiter told me not to mention that I took accutane, because they might consider I have severe skin defects. I only have minor acne. I was accutane for a month, less than a month ago. I am not going to mention I took Accutane. Can they tell by looking at my blood result? Do one's blood results look different compared to normal if they are on Accutane?

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