In what conditions are the transferrin saturation high?

Question

Hello doctor,

I am a 30-year-old female. I had a recent blood test, and my iron studies from the past four years till now have been attached.

My main concern is my T saturation. I have been genetically tested for hemochromatosis, which came back negative. I am also on zero supplements, multivitamins, etc.

How can T saturation be so high?
Would I benefit from blood donation, and should I be concerned?
What other conditions could it be? I am on no medications, have nil symptoms, and have very good health.
I would also like to know why my T Ferrin is slightly low. Does this number decrease in correlation with saturation increase?

Kindly help.

Answer 1

Hello,

Welcome to icliniq.com.

I have read your question and report (attachment removed to protect patient identity). Your transferrin saturation is slightly high. It is usually high in the case of hemochromatosis, in which iron overload occurs. But serum ferritin is within range and not elevated. Serum ferritin reflects iron stores; if it is within the limit, like in your case, then it is not suggestive of iron overload.

So your elevated transferrin saturation finding can be non-specific. However, to give a detailed comment regarding whether phlebotomy is needed or not can be provided only after checking the full CBC (complete blood count). So kindly attach your CBC report as well.

I hope I have answered your question.

Please feel free to reach out in case of further queries.

Thank you.

Answer 2

Hello,

Welcome back to icliniq.com.

Now I can answer your questions after checking your hemoglobin and HCT level. Following is my opinion about your asked questions.

The high transferrin saturation is due to an iron overload condition. The various causes of iron overload include hemochromatosis, repeated blood transfusion, hemolytic anemia, thalassemia, liver disease, etc. But it does not seem to be the cause, like in your case.
You should be concerned about your elevated transferrin saturation. The reason is your borderline high hemoglobin value as well. If your HB value is within the limit, then we need not be too concerned. But your value is borderline high, so you need to be concerned. No need for blood donation just now. It is advisable to drink lots of water, especially 0.5 to 0.7 gallons per day for 15 to 20 days. Avoid smoking if you have a habit of it. After 15 days, you have to repeat your transferrin saturation and Hb value.
The causes of elevated transferrin saturation have already been mentioned.
The transferrin is a negative-phase acute reactant as well. The level can be low in iron deficiency anemia, infection, liver disease, etc.

The iron deficiency anemia is not the cause in your case. You should get investigated for liver profiles like SGOT, SGPT, and protein levels to rule out liver disease.

So, in short, you should be concerned. You have to drink lots of water, and you need to repeat transferring saturation and HB value after a few days. If it is still elevated, then you should consult a nearby hematologist for your detailed evaluation, and you need to donate blood if saturation is persistently high.

Your serum ferritin value is surprisingly within the limit and does not indicate an iron overload case. So you need to follow up with a repeat CBC.

I hope I have answered your question.

Let me know if I can assist you further.

Thank you.