Asthma - J45
This notation helps users understand the scope of a code J45 category and provides additional information about the conditions or terms that fall under that category.
Category 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: This note indicates that an additional code should be used in conjunction with the primary code "J45" to provide a complete picture of the patient's condition or to capture associated factors.
Use Additional:
- 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)
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- detergent asthma (J69.8)
- miner's asthma (J60)
- wheezing NOS (R06.2)
- wood asthma (J67.8)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- asthma with chronic obstructive pulmonary disease (J44.9)
- chronic asthmatic (obstructive) bronchitis (J44.9)
- chronic obstructive asthma (J44.9)
These ranges represents subcategories of Asthma. The "J45" signifies that these are the diseases within this broad category.
Codes:
- J45.2 - Mild intermittent asthma
- J45.20 - Mild intermittent asthma, uncomplicated
- J45.21 - Mild intermittent asthma with (acute) exacerbation
- J45.22 - Mild intermittent asthma with status asthmaticus
- J45.3 - Mild persistent asthma
- J45.30 - Mild persistent asthma, uncomplicated
- J45.31 - Mild persistent asthma with (acute) exacerbation
- J45.32 - Mild persistent asthma with status asthmaticus
- J45.4 - Moderate persistent asthma
- J45.40 - Moderate persistent asthma, uncomplicated
- J45.41 - Moderate persistent asthma with (acute) exacerbation
- J45.42 - Moderate persistent asthma with status asthmaticus
- J45.5 - Severe persistent asthma
- J45.50 - Severe persistent asthma, uncomplicated
- J45.51 - Severe persistent asthma with (acute) exacerbation
- J45.52 - Severe persistent asthma with status asthmaticus
- J45.9 - Other and unspecified asthma
- J45.90 - Unspecified asthma
- J45.901 - Unspecified asthma with (acute) exacerbation
- J45.902 - Unspecified asthma with status asthmaticus
- J45.909 - Unspecified asthma, uncomplicated
- J45.99 - Other asthma
- J45.990 - Exercise induced bronchospasm
- J45.991 - Cough variant asthma
- J45.998 - Other asthma