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  1. CO2 Blood Test: Purpose, Procedure, Levels & Results

    Jun 13, 2022 · A standard carbon dioxide level in the blood is anywhere from 20 to 29 mmol/L. Sometimes, this range varies slightly depending on the laboratory analyzing the blood test.

  2. CO2 blood test: Purpose, typical range, and results

    Oct 1, 2024 · In this article, we look at the CO2 test, typical blood CO2 levels, and what atypical results might mean.

  3. Carbon Dioxide Blood Test Guide: CO2 Levels: Normal, Low ...

    Jan 27, 2025 · Healthcare professionals often order this test to check your CO₂ levels. These levels reveal insights about your lungs, kidneys, and overall metabolic state. Below, you will learn what a …

  4. Carbon Dioxide (CO2) in Blood: MedlinePlus Medical Test

    A CO2 blood test measures the amount of carbon dioxide in your blood. Too much or too little CO2 in your blood may be a sign of a health problem. Learn more.

  5. What Does CO2 in a Blood Test Mean? - Verywell Health

    Aug 20, 2025 · A carbon dioxide (CO2) blood test can determine if your levels are too high or too low. Find out how the test is done and what the results mean.

  6. CO2 Blood Test - Purpose, Results, Normal Range, and more

    Normal Range: The normal CO2 range is 23-29 milliequivalents per liter (mEq/L). Causes: Respiratory acidosis, chronic obstructive pulmonary disease (COPD), metabolic alkalosis, or kidney disorders. …

  7. Content - Health Encyclopedia - University of Rochester ...

    Normal values in adults are 23 to 30 mEq/L. Higher levels of carbon dioxide may mean you have: Metabolic alkalosis, or too much bicarbonate in your blood. Cushing disease. Hyperaldosteronism, …