ICD-10-CM
ICD-10 code for Bronchorrhea chronic (infective) (purulent): J42
The ICD-10-CM index points "Bronchorrhea chronic (infective) (purulent)" to J42, Unspecified chronic bronchitis. J42 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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