J41.1

ICD-10Billable

Mucopurulent chronic bronchitis

Official ICD-10-CM descriptor (FY2026)

Mucopurulent chronic bronchitis

J41.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in J41

J41.0Simple chronic bronchitis
J41.8Mixed simple and mucopurulent chronic bronchitis

Where this code sits

Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: Chronic lower respiratory diseases (J40-J4A)
Parent code: J41

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.