ICD-9-CM to ICD-10-CM Conversion | CDC - Centers for Disease …
https://www.cdc.gov/asthma/data-analysis-guidance/ICD-9-CM-ICD-10-CM.htm
In ICD-9-CM, asthma with chronic obstructive pulmonary disease is coded as chronic obstructive asthma, unspecified (493.20), chronic obstructive asthma with status asthmaticus (493.21), and chronic obstructive asthma with (acute) exacerbation (493.22). Under ICD-10-CM, these aforementioned asthma conditions are coded separately and are included ...
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