People who are severely poisoned by carbon monoxide (CO) require hospitalization. Hospitalizations for CO poisoning can include people who require several days of monitoring due to complications. These can include complications from other health conditions.

  • Hospitalization rate by year
  • Hospitalization rate by sex and age
  • Hospitalizations by month

CO poisoning hospitalization rates in Minnesota by year

The rate of hospitalizations for CO poisoning varies from year to year. Between 2007 and 2009, Minnesota began implementing a law requiring CO alarms in all single-family homes and multi-dwelling buildings. CO poisonings hospitalizations have increased recently, with the highest rate occurring in 2024.

Source: Minnesota Hospital Association. The break indicates a change in International Classification of Disease (ICD) coding from ICD-9 to ICD-10 on October 1st, 2015. Rates from 2000-2014 should not be compared to rates from 2015 onward.

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    CO poisoning hospitalizations by age and sex

    Carbon monoxide poisoning hospitalizations increase with age for both sexes. Men are hospitalized at a greater rate than women in every age category. This could be due to occupational hazards, recreational activities, or tool usage that puts them more at risk of exposure. Males may be at higher risk for carbon monoxide poisoning because their bodies often take longer to remove carbon monoxide from the blood than females. Older adults are at greater risk of severe illness from carbon monoxide poisoning because aging and underlying health conditions can make it harder for the body to cope with reduced oxygen levels.

    Source: Minnesota Hospital Association, 2020-2024.

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      Number of CO poisoning hospitalizations by month

      This graph shows the total number of CO poisoning hospitalizations by month. Non-fire related, unintentional CO poisoning hospitalizations follow a seasonal pattern, with more admissions in the fall and winter and fewer admissions in the spring and summer. This trend reflects the higher use of fuel-burning devices during colder weather.

      Source: Minnesota Hospital Association, 2015-2024.

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        • Hospitalization rate (County)

        Carbon monoxide poisoning hospitalization rates by county, 2015-2024

        The map of carbon monoxide illness hospitalizations shows variation across counties. CO poisoning hospitalizations are fairly rare; many of these rates are unstable due to small case counts.

        Source: Minnesota Hospital Association, 2015-2024. Rates based on counts less than or equal to 20 should be interpreted with caution; the rate maybe unstable because it can change dramatically with the addition or subtraction of one case. To protect an individual's privacy, hospitalization counts under 5 are suppressed if the underlying population is less than or equal to 100,000.
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        Carbon Monoxide (CO) Poisoning
        CO Hospitalizations
        2015-2024
        State
        27000
        Minnesota
        0.8
        Age-adjusted rate per 100,000
        479
        56359955
        0.8
        0.7