Midwest · Iron Level Test – Blood Test, Anemia Test
Iron Level Test – Blood Test, Anemia Test in Illinois
Below is a plain-language overview of the iron level test – blood test, anemia test. An iron level test measures the amount of iron in your blood, which is essential for making red blood cells and carrying oxygen.
Lab requirements in Illinois
Here is what you need before ordering and completing the Iron Level Test – Blood Test, Anemia Test in IL. Review each item and confirm the details with the collection lab.
- Physician's order
- Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
- Fasting
- Fasting is required for this test — follow the collection lab's instructions.
- Preparation
- Preparation instructions can vary, so it is important to follow the specific directions provided by the collection lab. This may include fasting for a certain period before the test.
- Sample & visit
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Identification
- Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
- Turnaround
- 1-3 business days
- Availability
- Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.
Before you go
- Order your test before visiting a lab, then use the requisition form in your account.
- Print the requisition form, or fax it to the lab directly from your account.
- No scheduling is needed — visit the collection lab during its normal business hours.
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Bring a government-issued photo ID in case the lab requests it.
- Results are posted to your secure account within 1–3 business days.
Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.
What this test is
This blood test evaluates the iron level in your bloodstream. It is often used to help assess conditions related to red blood cell production, iron metabolism, or iron transport.
What it measures
- Serum iron — reflects the amount of iron circulating in the blood
- Ferritin — reflects stored iron in the body
- Transferrin — reflects the protein that transports iron
- Total iron-binding capacity (TIBC) — reflects the blood's capacity to bind and transport iron
- Transferrin saturation — reflects the percentage of transferrin that is bound to iron
What the test involves
The test requires a standard blood draw from a vein in your arm. The sample is then sent to a laboratory for analysis.
Why it is often ordered
A clinician may order this test if you have symptoms of anemia or iron overload, or to monitor a known condition affecting iron levels. It can also be part of a routine evaluation for fatigue or other blood-related concerns.
Preparation
Preparation instructions can vary, so it is important to follow the specific directions provided by the collection lab. This may include fasting for a certain period before the test.
How results are reported
Results are typically reported as a number with a reference range. Reference ranges can differ between laboratories, so your results should be interpreted in the context of the lab that performed the test.
Before you go
- Whether fasting is required before the test
- Any medications or supplements that might affect results
- The specific reference range used by the lab
Cities
Iron Level Test – Blood Test, Anemia Test in Illinois communities
Choose your city for local context and to order this test.