ICD-10-CM › J00-J99 › J40-J4B › J45.9 Other and unspecified asthma › J45.90
Unspecified asthma
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Unspecified asthma
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from J45 Asthma
Excludes1 - never coded here
- detergent asthma (J69.8)
- miner's asthma (J60)
- wheezing NOS (R06.2)
- wood asthma (J67.8)
Excludes2 - not included here
- asthma with chronic obstructive pulmonary disease (J44.89)
- chronic asthmatic (obstructive) bronchitis (J44.89)
- chronic obstructive asthma (J44.89)
- other specified chronic obstructive pulmonary disease (J44.89)
Use additional code
- code to identify:
- eosinophilic asthma (J82.83)
- 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)
Includes
- allergic (predominantly) asthma
- allergic bronchitis NOS
- allergic rhinitis with asthma
- atopic asthma
- extrinsic allergic asthma
- hay fever with asthma
- idiosyncratic asthma
- intrinsic nonallergic asthma
- nonallergic asthma
Inherited from the J40-J4B section Chronic lower respiratory diseases (J40-J4B)
Excludes1 - never coded here
- bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2 - not included here
- cystic fibrosis (E84.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cold > chest
- Cold > on lung
- Cold > bronchial
- Tracheobronchitis
- Effusion > bronchial
- Bronchitis > croupous
- Bronchitis > subacute
- Bronchitis > exudative
- Irritation > bronchial
- Laryngotracheobronchitis
- Catarrh, catarrhal > lung
- Catarrh, catarrhal > chest
- Bronchitis > catarrhal > acute
- Catarrh, catarrhal > bronchial
- Catarrh, catarrhal > pulmonary
- Congestion, congestive > trachea
- Bronchitis > under l5 years of age
- Stasis > bronchus > with infection
- Irritable, irritability > bronchial
- Bronchiolitis > due to > external agent
- Bronchospasm > with > bronchitis, acute
- Bronchitis > in those under l5 years age
- Bronchitis > purulent > acute or subacute
- Bronchitis > viral NEC, acute or subacute
- Infection, infected, infective > bronchus
- Bronchitis > suppurative > acute or subacute
- Inflammation, inflamed, inflammatory > bronchi
- Inflammation, inflamed, inflammatory > trachea
- Bronchitis > pseudomembranous, acute or subacute
- Tracheitis > with > bronchitis > acute or subacute
- Bronchitis > asthmatic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| J45.99 | Other asthma | Not billable |