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Iron with Deferoxamine Challenge (Serum Substance Concentration)

Published: August 9, 2026Updated: August 17, 2026

This test measures how your body handles iron after a specific medication is given. It helps assess iron overload or iron deficiency conditions.

Quick summary

["Evaluates iron metabolism response to deferoxamine, a drug used to treat iron overload disorders."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
53495-8
Short code
Iron p deferoxamine Ur-sCnc
Synonyms
Iron p deferoxamine Ur-sCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
60
Ref high
170
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
83540
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you have symptoms like fatigue, joint pain, or abnormal lab results that suggest iron-related disorders. It’s also used to monitor how well deferoxamine works in treating iron overload, such as in conditions like thalassemia or hemochromatosis.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from a vein in your arm. If you’re taking deferoxamine, it should be administered as directed by your doctor the day of the test.

What the Test Results Mean

Results help determine if your body is absorbing iron correctly after deferoxamine treatment. Abnormal results may indicate ineffective iron management or underlying conditions requiring further medical evaluation.

Common Conditions Monitored

This test is primarily used to diagnose or monitor iron overload disorders, such as hereditary hemochromatosis or thalassemia, and to assess how well deferoxamine therapy is working.

Reference range

NCBI: Serum Iron Male 65-180; Female 50-170 µg/dLN/A

Specimen: urine

Fasting for 12 hours preferred. Iron supplements should be stopped 24 hours before if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Iron overload occurs when too much iron builds up in the body, often due to genetic disorders or repeated blood transfusions. Deferoxamine is a chelating agent that binds to excess iron, helping to remove it from the body. This test helps doctors track iron levels and guide treatment adjustments to prevent complications like organ damage or anemia.

Short name

Iron binding test

Frequently asked questions

What does a deferoxamine challenge test measure?
It measures how your body binds and processes iron after receiving deferoxamine, a medication used to treat iron overload. This helps assess whether your body is effectively managing excess iron.
Deferoxamine is typically given as an intravenous infusion the day of the blood draw, as directed by your healthcare provider. This mimics how it’s used in treatment for iron overload.
No, this specific test requires deferoxamine administration to measure iron binding accurately. Without it, the test wouldn’t reflect how your body handles iron under treatment conditions.
Is fasting required for this test?
No fasting is required, but follow your doctor’s instructions regarding any medications or supplements you should avoid before the blood draw.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 17, 2026. · Read our editorial policy