Blood testsVitamins and iron

Iron, TIBC and ferritin.

Measures iron, how much the blood could carry, and the body’s iron stores.

  • Markers4
  • SampleBlood draw
  • FastingNot stated
  • Draw timeAny time
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Design preview

What it measures.

4 results across the parts below, each in plain English. This describes what a lab measures; it cannot tell you what your own result means.

  • Iron

    The iron circulating in the blood, bound to its carrier protein.

  • Total iron binding capacityTIBC

    How much iron the blood’s carrier protein could hold, read alongside iron.

  • Iron saturation% saturation

    The share of the carrier protein that is holding iron, calculated from iron and TIBC.

  • Ferritin

    A protein that stores iron. The amount in the blood reflects the body’s iron stores.

How to prepare.

  1. The lab gives no fasting rule for this test. Ask when you order if you are unsure.

Often taken with it.

  • Vitamins and iron1 marker

    Ferritin

    Measures ferritin, which reflects the body’s iron stores.

    • No fasting

    Ferritin

  • Blood count39 markers

    Complete blood count

    Red cells, white cells and platelets, with the white cell differential.

    • No fasting

    Hemoglobin, Hematocrit, MCV, MCH, RDW, WBC and more

  • Vitamins and iron2 markers

    Vitamin B12 and folate

    Measures two B vitamins the body needs to make new cells.

    • No fasting

    B12, Folate

The waitlist makes no eligibility, diagnosis, treatment, prescribing, or medication access decisions.

Clinical questions, eligibility, and care decisions happen later with a licensed provider, outside this form and only where legally available.