Iron Panel (Iron, Transferrin Saturation, TIBC, UIBC)
Diagnostic Blood Test:
- Iron
- Iron (Transferrin) Saturation %
- Total Iron-binding Capacity (TIBC)
- Unsaturated Iron-binding Capacity (UIBC)
Iron: Iron is an important component of hemoglobin, the protein in red blood cells that carries oxygen from the lungs to the rest of the body. Without enough iron, the body can’t make hemoglobin, leading to anemia. However, excessive levels of iron can become toxic to cells and damage organs.
Iron Saturation: Within the bloodstream, iron is attached to transferrin, a protein that helps carry iron to organs and tissues. This test measures the amount of iron bound to transferrin. It can indicate whether iron stores in the body are sufficient and whether adequate iron is being transported around the body.
TIBC: Total iron-binding capacity (TIBC) measures the amount of transferrin available to bind with iron. An abnormal TIBC may point to health conditions like anemia, inflammation, nutrition deficiencies, or liver disease.
UIBC: Unsaturated iron-binding capacity (UIBC) measures how much transferrin remains unattached to iron. Iron-related tests can help identify anemia, which causes tiredness, headaches, and dizziness, or iron overload, leading to joint pain, low energy levels, and abdominal pain.
For a more comprehensive look at your iron status we recommended also testing Ferritin, available here: https://marekhealth.com/product/ferritin/
Pairs well with
Iron Panel (Iron, Transferrin Saturation, TIBC, UIBC)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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How it works
Purchase your tests
Purchase this test and any other tests you'd like online. A healthcare provider will review and approve your test requests; no healthcare provider visit is required.
Provide your sample
Visit a Labcorp location near you for sample collection. Use our Labcorp locator below to find a location near you.
Get your results
Our partnered facilities will process your bloodwork. Lab Results typically arrive within 14 business days, and we will email them to you as soon as they arrive.
Lab work FAQs
Please read our FAQs page to find out more.
How quickly will my lab results arrive?
Your lab results will typically arrive within two weeks, though processing time may vary based on the size and complexity of your panel. Rest assured, once your results are ready, they will be securely delivered to your email. No waiting rooms. No chasing paperwork. Just precision diagnostics at your fingertips.
Does Marek Diagnostics accept insurance?
Marek Diagnostics is a cash-pay service. Our platform offers direct access to comprehensive testing without the limitations, denials, or delays imposed by insurance companies. If traditional insurance covered the kind of proactive, high-quality lab work we offer, Marek Diagnostics wouldn’t need to exist.
However, many clients successfully use their HSA/FSA to cover their testing costs. Marek Diagnostics is partnered with TrueMed for convenient deployment of HSA/FSA funds at checkout.
My panel Meets Treatment Requirements — what does that mean?
Marek Diagnostics is an extension of Marek Health, the leading health optimization platform designed to turn your results into informed action.
If your panel Meets Treatment Requirements, you’re eligible to enroll into Guided Optimization, an exclusive program that connects you with:
- Detailed, expert led lab analysis
- A consultation with a Marek Health coach and board-certified medical provider
- A precision health optimization plan
- Access to high-quality treatment options
If you’re unsure what to do with your results, Marek Health is the bridge between lab results and achieving your goals.
Do I need to pay a separate fee at the lab to get my blood drawn?
No additional payment is required at the lab. Our expert-built panels include the venipuncture and if you’re building a custom panel or testing biomarkers individually, a $5 venipuncture fee will be automatically added at checkout.