This page explains the carbon monoxide, blood test, what it measures, and how to order it. This test measures the amount of carbon monoxide in your blood. It helps assess exposure to this odorless, colorless gas.
Typical turnaround1-3 business days
Price range$179
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required
What this test is
The carbon monoxide blood test, also known as a carboxyhemoglobin test, measures the level of carbon monoxide bound to hemoglobin in your red blood cells. Carbon monoxide is a toxic gas that can interfere with the oxygen-carrying capacity of your blood.
What it measures
Carboxyhemoglobin — the percentage of hemoglobin carrying carbon monoxide
What the test involves
This test requires a standard blood draw. A healthcare professional will collect a small sample of blood from a vein in your arm.
Why it is often ordered
A clinician may order this test if they suspect a person has been exposed to carbon monoxide poisoning. Symptoms can include headache, dizziness, nausea, and shortness of breath.
Preparation
Follow any specific instructions provided by the laboratory for sample collection. Generally, no special preparation is needed for this test.
How results are reported
Results are typically reported within a few business days. Reference ranges can vary between laboratories, so it is important to discuss your results with your healthcare provider.
Before you go
Lab's specific preparation instructions
How results will be shared
Typical turnaround time
Cities
Carbon Monoxide, Blood Test in Rhode Island communities
Choose your city for local context and to request this test.
