ICD-10 Code for Bronchitis
Also indexed as (diffuse) (fibrinous) (hypostatic) (infective) (membranous)
The ICD-10-CM code for bronchitis is J40 — Bronchitis, not specified as acute or chronic. This is the code the Alphabetic Index gives for bronchitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which bronchitis code should you use?
The Alphabetic Index lists 32 codes under Bronchitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| acute or subacute | J20.9 | Acute bronchitis, unspecified |
| allergic | J45.909 | Unspecified asthma, uncomplicated |
| arachidic | T17.528Not billable | Food in bronchus causing other injury |
| aspiration | J69.0 | Pneumonitis due to inhalation of food and vomit |
| asthmatic | J45.9Not billable | Other and unspecified asthma |
| caseous | A15.5 | Tuberculosis of larynx, trachea and bronchus |
| Castellani's | A69.8 | Other specified spirochetal infections |
| catarrhal | J40 | Bronchitis, not specified as acute or chronic |
| chemical | J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors |
| chronic | J42 | Unspecified chronic bronchitis |
| due to gases, fumes or vapors | J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors |
| emphysematous | J44.89 | Other specified chronic obstructive pulmonary disease |
| fetid | J41.1 | Mucopurulent chronic bronchitis |
| mixed simple and mucopurulent | J41.8 | Mixed simple and mucopurulent chronic bronchitis |
| moulder's | J62.8 | Pneumoconiosis due to other dust containing silica |
| mucopurulent | J41.1 | Mucopurulent chronic bronchitis |
| obstructive | J44.89 | Other specified chronic obstructive pulmonary disease |
| pituitous | J41.1 | Mucopurulent chronic bronchitis |
| pneumococcal, acute or subacute | J20.2 | Acute bronchitis due to streptococcus |
| purulent | J41.1 | Mucopurulent chronic bronchitis |
| putrid | J41.1 | Mucopurulent chronic bronchitis |
| senile | J42 | Unspecified chronic bronchitis |
| simple and mucopurulent | J41.8 | Mixed simple and mucopurulent chronic bronchitis |
| smokers' | J41.0 | Simple chronic bronchitis |
| spirochetal NEC | A69.8 | Other specified spirochetal infections |
| suppurative | J41.1 | Mucopurulent chronic bronchitis |
| tuberculous | A15.5 | Tuberculosis of larynx, trachea and bronchus |
| viral NEC, acute or subacute | J20.8 | Acute bronchitis due to other specified organisms |
Bronchitis with
| obstruction | J44.89 | Other specified chronic obstructive pulmonary disease |
| tracheitis | J40 | Bronchitis, not specified as acute or chronic |
| tracheitis › acute or subacute | J20.9 | Acute bronchitis, unspecified |
| tracheitis › chronic | J42 | Unspecified chronic bronchitis |
| tracheitis › under l5 years of age | J20.9 | Acute bronchitis, unspecified |
Bronchitis acute or subacute
| chemical | J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors |
| viral NEC | J20.8 | Acute bronchitis due to other specified organisms |
| with › bronchiectasis | J47.0 | Bronchiectasis with acute lower respiratory infection |
| with › chronic obstructive pulmonary disease | J44.0 | Chronic obstructive pulmonary disease with (acute) lower respiratory infection |
| due to › fumes or vapors | J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors |
| due to › Haemophilus influenzae | J20.1 | Acute bronchitis due to Hemophilus influenzae |
| due to › Mycoplasma pneumoniae | J20.0 | Acute bronchitis due to Mycoplasma pneumoniae |
| due to › radiation | J70.0 | Acute pulmonary manifestations due to radiation |
| due to › specified organism NEC | J20.8 | Acute bronchitis due to other specified organisms |
| due to › Streptococcus | J20.2 | Acute bronchitis due to streptococcus |
| due to › virus › coxsackie | J20.3 | Acute bronchitis due to coxsackievirus |
| due to › virus › echovirus | J20.7 | Acute bronchitis due to echovirus |
| due to › virus › parainfluenzae | J20.4 | Acute bronchitis due to parainfluenza virus |
| due to › virus › respiratory syncytial | J20.5 | Acute bronchitis due to respiratory syncytial virus |
| due to › virus › rhinovirus | J20.6 | Acute bronchitis due to rhinovirus |
Bronchitis asthmatic
Bronchitis catarrhal
Bronchitis chemical
Bronchitis chronic
| asthmatic | J44.89 | Other specified chronic obstructive pulmonary disease |
| catarrhal | J41.0 | Simple chronic bronchitis |
| chemical | J68.4 | Chronic respiratory conditions due to chemicals, gases, fumes and vapors |
| emphysematous | J44.89 | Other specified chronic obstructive pulmonary disease |
| mucopurulent | J41.1 | Mucopurulent chronic bronchitis |
| non-obstructive | J41.0 | Simple chronic bronchitis |
| obstructive | J44.89 | Other specified chronic obstructive pulmonary disease |
| purulent | J41.1 | Mucopurulent chronic bronchitis |
| simple | J41.0 | Simple chronic bronchitis |
| with › airways obstruction | J44.89 | Other specified chronic obstructive pulmonary disease |
| with › tracheitis | J42 | Unspecified chronic bronchitis |
| due to › chemicals, gases, fumes or vapors | J68.4 | Chronic respiratory conditions due to chemicals, gases, fumes and vapors |
| due to › radiation | J70.1 | Chronic and other pulmonary manifestations due to radiation |
| due to › tobacco smoking | J41.0 | Simple chronic bronchitis |
Bronchitis mucopurulent
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources