Is Total serum iron 31 low, normal or dangerous? What does Total serum iron level 31 mean?

📅 Medical Review Date: December 20, 2025

Your Total serum iron level of 31 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	41.24
5-10 years	42.518
10-15 years	43.836
15-20 years	45.195
20-25 years	46.596
25-30 years	48.04
30-35 years	49.529
35-40 years	51.064
40-45 years	52.647
45-50 years	54.279
50-55 years	55.962
55-60 years	57.697
60-70 years	59.486
70-80 years	61.33
80-90 years	63.231
90-100 years	65.191
>100 years	67.212

*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

1,51,150

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A video message on the treatment of your low Total serum iron level

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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	41.277
5-10 years	42.595
10-15 years	43.955
15-20 years	45.358
20-25 years	46.806
25-30 years	48.301
30-35 years	49.843
35-40 years	51.434
40-45 years	53.076
45-50 years	54.771
50-55 years	56.52
55-60 years	58.325
60-70 years	60.187
70-80 years	62.109
80-90 years	64.092
90-100 years	66.138
>100 years	68.25

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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