Probably: For most labs, bottom of normal for a guy is 24 or so. Lab errors do exist. The most serious concern of course is stomach cancer as a cause of blood loss. If he is a blood donor, that may be why. A bleeding ulcer, hookworm, early malabsorption. I undetstand he is indeed a meat eater. Your physician will decide how to proceed with investigations.
Answered 5/31/2016
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3 doctors weighed in across 2 answers
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