Internal Medicine Questions - * A serum ferritin level (without other testing) may be sufficient for diagnosis in individuals with a high likelihood of iron deficiency (eg, young woman with menorrhagia, pregnancy).
![Lack of iron regulating protein contributes to high blood pressure of the lungs | National Institutes of Health (NIH) Lack of iron regulating protein contributes to high blood pressure of the lungs | National Institutes of Health (NIH)](https://www.nih.gov/sites/default/files/styles/featured_media_breakpoint-medium/public/news-events/news-releases/2013/20130213-iron-polycythemia.jpg?itok=8QHuSSLl×tamp=1441990980)
Lack of iron regulating protein contributes to high blood pressure of the lungs | National Institutes of Health (NIH)
![A diagnostic approach to hyperferritinemia with a non-elevated transferrin saturation - ScienceDirect A diagnostic approach to hyperferritinemia with a non-elevated transferrin saturation - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0168827811001887-fx3.jpg)