Serum Iron
Serum iron measures circulating iron bound to transferrin at the moment of testing, vital for red blood cell production.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
50 – 175 µg/dL
50 – 170 µg/dL
65 – 175 µg/dL
What does a low result mean?
A mild dip is common with low dietary intake, heavy periods, or following intense exercise.
What does a high result mean?
A transient elevation frequently follows iron-rich meals, recent supplementation, or normal daily circadian fluctuations.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this align with my stored ferritin level?
- Would adjusting my dietary iron intake be beneficial?
- Should we check transferrin saturation for complete context?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.