2009 ICD-9-CM Diagnosis Code 493.9 : Asthma unspecified

form of bronchial disorder associated with airway obstruction, marked by recurrent attacks of paroxysmal dyspnea, with wheezing due to spasmodic contraction of the bronchi.
A chronic respiratory disease manifested as difficulty breathing due to the narrowing of bronchial passageways.
There are 3 ICD-9-CM codes below 493.9 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
You are viewing the 2009 version of ICD-9-CM 493.9.
More recent version(s) of ICD-9-CM 493.9: 2010 2011 2012 2013.

Applies To

ICD-9-CM Volume 2 Index entries containing back-references to 493.9:

Asthma, asthmatic (bronchial) (catarrh) (spasmodic) 493.9
- with
  - chronic obstructive pulmonary disease (COPD) 493.2
  - hay fever 493.0
  - rhinitis, allergic 493.0
- allergic 493.9
  - stated cause (external allergen) 493.0
- atopic 493.0
- cardiac (see also Failure, ventricular, left) 428.1
- cardiobronchial (see also Failure, ventricular, left) 428.1
- cardiorenal (see also Hypertension, cardiorenal) 404.90
- childhood 493.0
- Colliers' 500
- cough variant 493.82
- croup 493.9
- detergent 507.8
- due to
  - detergent 507.8
  - inhalation of fumes 506.3
  - internal immunological process 493.0
- endogenous (intrinsic) 493.1
- eosinophilic 518.3
- exercise induced bronchospasm 493.81
- exogenous (cosmetics) (dander or dust) (drugs) (dust) (feathers) (food) (hay) (platinum) (pollen) 493.0
- extrinsic 493.0
- grinders' 502
- hay 493.0
- heart (see also Failure, ventricular, left) 428.1
- IgE 493.0
- infective 493.1
- intrinsic 493.1
- Kopp's 254.8
- late-onset 493.1
- meat-wrappers' 506.9
- Millar's (laryngismus stridulus) 478.75
- millstone makers' 502
- miners' 500
- Monday morning 504
- New Orleans (epidemic) 493.0
- platinum 493.0
- pneumoconiotic (occupational) NEC 505
- potters' 502
- psychogenic 316 [493.9]
- pulmonary eosinophilic 518.3
- red cedar 495.8
- Rostan's (see also Failure, ventricular, left) 428.1
- sandblasters' 502
- sequoiosis 495.8
- stonemasons' 502
- thymic 254.8
- tuberculous (see also Tuberculosis, pulmonary) 011.9
- Wichmann's (laryngismus stridulus) 478.75
- wood 495.8
Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490
- allergic (acute) (see also Asthma) 493.9
- summer (see also Asthma) 493.9
Catarrh, catarrhal (inflammation) (see also condition) 460
- asthma, asthmatic (see also Asthma) 493.9
- suffocating (see also Asthma) 493.9
Croup, croupous (acute) (angina) (catarrhal) (infective) (inflammatory) (laryngeal) (membranous) (nondiphtheritic) (pseudomembranous) 464.4
- asthmatic (see also Asthma) 493.9
Dyspnea (nocturnal) (paroxysmal) 786.09
- asthmatic (bronchial) (see also Asthma) 493.9
  - with bronchitis (see also Asthma) 493.9
    - chronic 493.2
  - cardiac (see also Failure, ventricular, left) 428.1
Obstruction, obstructed, obstructive
- airway NEC 519.8
  - with
    - allergic alveolitis NEC 495.9
    - asthma NEC (see also Asthma) 493.9
    - bronchiectasis 494.0
      - with acute exacerbation 494.1
    - bronchitis (see also Bronchitis, with, obstruction) 491.20
    - emphysema NEC 492.8
  - chronic 496
    - with
      - allergic alveolitis NEC 495.5
      - asthma NEC (see also Asthma) 493.2
      - bronchiectasis 494.0
        with acute exacerbation 494.1
      - bronchitis (chronic) (see also Bronchitis, chronic, obstructive) 491.20
      - emphysema NEC 492.8
  - due to
    - bronchospasm 519.11
    - foreign body 934.9
    - inhalation of fumes or vapors 506.9
    - laryngospasm 478.75
Status (post)
- asthmaticus (see also Asthma) 493.9

493.82

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493.90

ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.

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