California Hospitalizations With a Diagnosis of Heat Exhaustion

About 29 of every million Californians were hospitalized with a diagnosis of heat exhaustion each year between 2017 and 2021, compared with a rate of 20 per million each year from 2005 to 2009.

Hospitalizations per 1 million residents:

Note: Shown are hospitalizations with ICD diagnosis codes T67.0-T67.9 (2016-2021) or ICD diagnosis codes 992.0-992.9 (2005-2015). Includes instances when heat-related illness was a primary or a secondary diagnosis.
Source: California Department of Health Care Access and Information
Credit: Phillip Reese for KFF Health News
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