Carbon Monoxide, Blood Test in Illinois
This page explains the carbon monoxide, blood test, what it measures, and how to arrange it. A carbon monoxide (CO) blood test measures how much CO is attached to hemoglobin, the protein that carries oxygen in your blood. It is ordered when someone has symptoms like headache, dizziness, or confusion that might be from smoke, car exhaust, or faulty heaters, or to check exposure in certain jobs. This page covers the carbon monoxide, blood test for people in Illinois, in Midwest, from what it measures to how to arrange a draw.
- Sample type
- blood
- Category
- General Wellness
- Turnaround
- 1-3 business days
- Price
- $179
- Referral
- Not required
A carbon monoxide (CO) blood test measures how much CO is attached to hemoglobin, the protein that carries oxygen in your blood. It is ordered when someone has symptoms like headache, dizziness, or confusion that might be from smoke, car exhaust, or faulty heaters, or to check exposure in certain jobs.
What it measures
- Carboxyhemoglobin (COHb) — The percentage of hemoglobin carrying carbon monoxide instead of oxygen.
- Hemoglobin (Hb) — The total amount of oxygen-carrying protein in your blood.
- Oxygen saturation (SaO2) — How much oxygen is attached to hemoglobin, often measured alongside COHb.
- Methemoglobin (MetHb) — A form of hemoglobin that cannot carry oxygen; sometimes checked to rule out other causes.
Who it is for
A doctor may order this test if you have unexplained symptoms of CO exposure, such as headache, nausea, or confusion, especially if others in the same building have similar symptoms. It is also used for people who work with combustion engines, furnaces, or in firefighting.
Preparation
No fasting or special preparation is needed. Tell your doctor if you smoke, because smoking can raise your baseline CO level.
Results and what they mean
Results are reported as a percentage of carboxyhemoglobin. Normal levels are usually low, but interpretation depends on whether you smoke and your symptoms. Only a clinician can interpret your results in context; this information is not medical advice.
Requesting the Carbon Monoxide, Blood Test in Illinois
Order online, choose a certified collection site in Illinois, and review results through a secure portal. No referral is required, and orders are processed confidentially. Access across Midwest is steady, so confirming a site ahead of time is worthwhile.
Frequently asked questions
Does this test hurt?
It uses a standard blood draw from a vein, which feels like a quick pinch.
How long do results take?
Most results are ready in 1 to 3 business days.
Can I eat before the test?
Yes, no fasting is required.
Is my result kept private?
Yes, your results are confidential and shared only with you and your healthcare team.
Carbon Monoxide, Blood Test by city in Illinois
- Carbon Monoxide, Blood Test in Chicago
- Carbon Monoxide, Blood Test in Rockford
- Carbon Monoxide, Blood Test in Round Lake Beach
- Carbon Monoxide, Blood Test in Peoria
- Carbon Monoxide, Blood Test in Aurora
- Carbon Monoxide, Blood Test in Springfield
- Carbon Monoxide, Blood Test in Champaign
- Carbon Monoxide, Blood Test in Joliet
- Carbon Monoxide, Blood Test in Naperville
- Carbon Monoxide, Blood Test in Bloomington
- Carbon Monoxide, Blood Test in Elgin
- Carbon Monoxide, Blood Test in Waukegan
- Carbon Monoxide, Blood Test in Decatur
- Carbon Monoxide, Blood Test in Cicero
- Carbon Monoxide, Blood Test in Alton
- Carbon Monoxide, Blood Test in Kankakee
- Carbon Monoxide, Blood Test in Evanston
- Carbon Monoxide, Blood Test in Schaumburg
- Carbon Monoxide, Blood Test in Arlington Heights
- Carbon Monoxide, Blood Test in Bolingbrook
- Carbon Monoxide, Blood Test in Palatine
- Carbon Monoxide, Blood Test in Skokie
- Carbon Monoxide, Blood Test in DeKalb
- Carbon Monoxide, Blood Test in Carbondale
- Carbon Monoxide, Blood Test in Des Plaines
- Carbon Monoxide, Blood Test in Orland Park
- Carbon Monoxide, Blood Test in Oak Lawn
- Carbon Monoxide, Blood Test in Berwyn
- Carbon Monoxide, Blood Test in Mount Prospect
- Carbon Monoxide, Blood Test in Tinley Park
- Carbon Monoxide, Blood Test in Oak Park
- Carbon Monoxide, Blood Test in Wheaton
- Carbon Monoxide, Blood Test in Normal
- Carbon Monoxide, Blood Test in Hoffman Estates
- Carbon Monoxide, Blood Test in Downers Grove
- Carbon Monoxide, Blood Test in Glenview
- Carbon Monoxide, Blood Test in Elmhurst
- Carbon Monoxide, Blood Test in Lombard
- Carbon Monoxide, Blood Test in Plainfield
- Carbon Monoxide, Blood Test in Buffalo Grove
All testing in Illinois → Full Carbon Monoxide, Blood Test guide →