J41 – Simple and mucopurulent chronic bronchitis

ICD-10-CM 2027 diagnosis code · Chronic lower respiratory diseases

Non-billable header

ICD-10-CM code J41

Code: J41 (claims format: J41)
Description: Simple and mucopurulent chronic bronchitis
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: J40-J4B Chronic lower respiratory diseases

Billable codes under J41

J41 is a header code and cannot be used on claims. Choose the most specific code:

J41.0 – Simple chronic bronchitisBillable
J41.1 – Mucopurulent chronic bronchitisBillable
J41.8 – Mixed simple and mucopurulent chronic bronchitisBillable

Notes for J41

Excludes2 (not included here):

chronic bronchitis NOS (J42)
chronic obstructive bronchitis (J44.-)

Use additional code:

code to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block J40-J4B

Excludes1 (not coded here):

bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2 (not included here):

cystic fibrosis (E84.-)

Frequently asked questions

What is ICD-10 code J41?

J41 is the ICD-10-CM code for simple and mucopurulent chronic bronchitis, in the block J40-J4B (Chronic lower respiratory diseases).

Is J41 a billable code?

No. J41 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.