Is Total serum iron 6 low, normal or dangerous? What does Total serum iron level 6 mean?

📅 Medical Review Date: January 20, 2026

Your Total serum iron level of 6 is a Low Total serum iron level.

A total serum iron level of 6 mcg/dL usually means there is not enough iron circulating in the blood. It suggests iron deficiency. Low levels of total serum iron can cause extreme fatigue, pale skin, weakness, shortness of breath, dizziness, cold hands and feet, and brittle nails. This can be caused by iron deficiency anemia, blood loss, poor diet, or pregnancy. Further tests are often needed to identify the cause and guide appropriate treatment.

Low Total serum iron levels may indicate underlying health problems. The normal range is typically between 40 mcg/dL and 190 mcg/dL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Total serum iron range for men is :40 - 190 mcg/dL

Ideal values of Total serum iron depending on age (male) :

Age	Ideal Total serum iron value
<5 years	42.4
5-10 years	44.944
10-15 years	47.641
15-20 years	50.499
20-25 years	53.529
25-30 years	56.741
30-35 years	60.145
35-40 years	63.754
40-45 years	67.579
45-50 years	71.634
50-55 years	75.932
55-60 years	80.488
60-70 years	85.317
70-80 years	90.436
80-90 years	95.862
90-100 years	101.614
>100 years	107.711

*Ideal values are calculated based on our database of patient records

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Some examples of conditions that increase or decrease Total serum iron levels include:

• Anemia
• Your body doesn’t have enough healthy red blood cells
• Iron overload
• Iron poisoning
• Gastrointestinal blood loss

Normal range of Total serum iron found among women :40-190 mcg/dL

Ideal values of Total serum iron depending on age (female) :

Age	Ideal Total serum iron value
<5 years	42.472
5-10 years	45.097
10-15 years	47.884
15-20 years	50.843
20-25 years	53.985
25-30 years	57.321
30-35 years	60.863
35-40 years	64.624
40-45 years	68.618
45-50 years	72.859
50-55 years	77.362
55-60 years	82.143
60-70 years	87.219
70-80 years	92.609
80-90 years	98.332
90-100 years	104.409
>100 years	110.861

If you take a Total serum iron blood test and the results are not in the normal range (40-190 mcg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Total serum iron Test Is Done :

When your doctor orders a Total serum iron test, it involves a straightforward blood draw to measure your Total serum iron levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Total serum iron test results are usually available within a few hours.

Medical References

• MedlinePlus – Serum iron test
• Cleveland Clinic – Iron Blood Test: What It Is & Results
• NIH – Serum iron, ferritin, transferrin, total iron binding capacity

Total serum iron treatment - Click to read 10 GOLDEN ARTICLES on Anemia