J45 is a non-billable ICD-10-CM category code for asthma, so it cannot be submitted on claims. Use a more specific code from this category instead, such as J45.20, J45.21, J45.22, and J45.30.
Code Identity
Code Classification
Specific Coding for AsthmaOverview
Non-specific codes like J45 require more characters. Use one of these billable codes instead:
J45.2 for Mild intermittent asthma
Use J45.20 for Mild intermittent asthma, uncomplicated
Use J45.21 for Mild intermittent asthma with (acute) exacerbation
Use J45.22 for Mild intermittent asthma with status asthmaticus
J45.3 for Mild persistent asthma
Use J45.30 for Mild persistent asthma, uncomplicated
Use J45.31 for Mild persistent asthma with (acute) exacerbation
Use J45.32 for Mild persistent asthma with status asthmaticus
J45.4 for Moderate persistent asthma
Use J45.40 for Moderate persistent asthma, uncomplicated
Use J45.41 for Moderate persistent asthma with (acute) exacerbation
Use J45.42 for Moderate persistent asthma with status asthmaticus
J45.5 for Severe persistent asthma
Use J45.50 for Severe persistent asthma, uncomplicated
Use J45.51 for Severe persistent asthma with (acute) exacerbation
Use J45.52 for Severe persistent asthma with status asthmaticus
J45.9 for Other and unspecified asthma
J45.90 for Unspecified asthma
J45.99 for Other asthma
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
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
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
Type 1 Excludes
Type 2 Excludes
- 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
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Clinical InformationClinical
Airway Remodeling
the structural changes in the number, mass, size and/or composition of the airway tissues.Asthma
a form of bronchial disorder with three distinct components: airway hyper-responsiveness (respiratory hypersensitivity), airway inflammation, and intermittent airway obstruction. it is characterized by spasmodic contraction of airway smooth muscle, wheezing, and dyspnea (dyspnea, paroxysmal).Asthma, Aspirin-Induced
asthmatic adverse reaction (e.g., bronchoconstriction) to conventional nsaids including aspirin use.Asthma, Exercise-Induced
asthma attacks following a period of exercise. usually the induced attack is short-lived and regresses spontaneously. the magnitude of postexertional airway obstruction is strongly influenced by the environment in which exercise is performed (i.e. inhalation of cold air during physical exertion markedly augments the severity of the airway obstruction; conversely, warm humid air blunts or abolishes it).Asthma, Occupational
asthma attacks caused, triggered, or exacerbated by occupational exposure.Asthma-Chronic Obstructive Pulmonary Disease Overlap Syndrome
syndrome with clinical features of both asthma and copd.Conyza
a plant genus of the family asteraceae. members contain alkenynes, daucosterol, friedelinol, conyzasaponins and other triterpenes.Cough-Variant Asthma
asthma which is characterized by chronic cough that is nonproductive without other asthmatic symptoms, e.g., wheezing, and paroxysmal dyspnea. cough-variant asthma is accompanied by airway hypersensitivity and may progress to classical asthma without treatment.Dyspnea, Paroxysmal
a disorder characterized by sudden attacks of respiratory distress in at rest patients with heart failure and pulmonary edema. it usually occurs at night after several hours of sleep in a reclining position. patients awaken with a feeling of suffocation, coughing, a cold sweat, and tachycardia. when there is significant wheezing, it is called cardiac asthma.Status Asthmaticus
a sudden intense and continuous aggravation of a state of asthma, marked by dyspnea to the point of exhaustion and collapse and not responding to the usual therapeutic efforts.Tylophora
a plant genus of the family asclepiadaceae. members contain phenanthro-indolizidine alkaloids.Occupational Exposure
the exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.
Patient EducationClinical
Asthma
Asthma is a chronic (long-term) lung disease. It affects your airways, the tubes that carry air in and out of your lungs. When you have asthma, your airways can become inflamed and narrowed. This can cause wheezing, coughing, and tightness in your chest. When these symptoms get worse than usual, it is called an asthma attack or flare-up.
The full article covers:
- What is asthma?
- What causes asthma?
- Who is at risk for asthma?
- What are the symptoms of asthma?
- How is asthma diagnosed?
- What are the treatments for asthma?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
