Is Total serum iron 33 low, normal or dangerous? What does Total serum iron level 33 mean?

📅 Medical Review Date: January 11, 2026

Your Total serum iron level of 33 is a Low Total serum iron level.

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	41.32
5-10 years	42.684
10-15 years	44.093
15-20 years	45.548
20-25 years	47.051
25-30 years	48.604
30-35 years	50.208
35-40 years	51.865
40-45 years	53.577
45-50 years	55.345
50-55 years	57.171
55-60 years	59.058
60-70 years	61.007
70-80 years	63.02
80-90 years	65.1
90-100 years	67.248
>100 years	69.467

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

Get Advice via Email : Send us your blood test report, and our Total serum iron experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Total serum iron, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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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

Receive world-class medical opinion about your low Total serum iron levels over email.Upload blood test report now

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	41.36
5-10 years	42.766
10-15 years	44.22
15-20 years	45.723
20-25 years	47.277
25-30 years	48.884
30-35 years	50.546
35-40 years	52.264
40-45 years	54.04
45-50 years	55.877
50-55 years	57.776
55-60 years	59.74
60-70 years	61.771
70-80 years	63.871
80-90 years	66.042
90-100 years	68.287
>100 years	70.608

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

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