Serum or Plasma Concentration of Iron (Mass Concentration)

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like fatigue, pale skin, weakness, or unusual tiredness. It could also be done to check for conditions like anemia, especially if you have a history of heavy menstrual bleeding, poor diet, or certain medical conditions. Blood donation or frequent transfusions might also trigger this test to monitor iron levels.

What to Expect Before the Test

You can eat and drink normally before the test. No special preparation is usually needed, but let your provider know about any medications you’re taking, especially those that affect iron absorption or blood clotting.

How the Test Is Performed

A small blood sample is drawn from a vein in your arm. You may feel a slight pinch, but it usually doesn’t cause discomfort. The sample is then sent to a lab for analysis.

What the Results Mean

Results are compared to a reference range based on age, sex, and overall health. Low iron levels may indicate anemia or other health issues, while very high levels could signal conditions like hemochromatosis or excessive iron supplements.