Home > 2008 ICD-9-CM Diagnosis Codes > Diseases Of The Respiratory System 460-519 > Chronic Obstructive Pulmonary Disease And Allied Conditions 490-496 > Asthma 493-
Non-specific code 2008 ICD-9-CM Diagnosis Code 493.0
Extrinsic asthma
  • There are 3 ICD-9-CM codes below 493.0 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
  • You are viewing the 2008 version of ICD-9-CM 493.0.
  • More recent version(s) of ICD-9-CM 493.0: 2009 2010 2011 2012 2013 2014 2015.
493.0 Excludes
Applies To
  • Asthma:
    • allergic with stated cause
    • atopic
    • childhood
    • hay
    • platinum
  • Hay fever with asthma
ICD-9-CM Volume 2 Index entries containing back-references to 493.0:
  • Allergy, allergic (reaction) 995.3
    • grass (pollen) 477.0
      • asthma (see also Asthma) 493.0
      • hay fever 477.0
    • pollen (any) (hay fever) 477.0
      • asthma (see also Asthma) 493.0
    • ragweed (pollen) (Senecio jacobae) 477.0
      • asthma (see also Asthma) 493.0
      • hay fever 477.0
    • tree (any) (hay fever) (pollen) 477.0
      • asthma (see also Asthma) 493.0
  • 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
    • childhood 493.0
    • due to
      • detergent 507.8
      • inhalation of fumes 506.3
      • internal immunological process 493.0
    • exogenous (cosmetics) (dander or dust) (drugs) (dust) (feathers) (food) (hay) (platinum) (pollen) 493.0
    • extrinsic 493.0
    • hay 493.0
    • IgE 493.0
    • New Orleans (epidemic) 493.0
    • platinum 493.0
  • Fever 780.6
    • hay (allergic) (with rhinitis) 477.9
      • with
        • asthma (bronchial) (see also Asthma) 493.0
      • due to
        • dander, animal (cat) (dog) 477.2
        • dust 477.8
        • fowl 477.8
        • hair, animal (cat) (dog) 477.2
        • pollen, any plant or tree 477.0
        • specified allergen other than pollen 477.8
  • Hay
    • asthma (see also Asthma) 493.0
    • fever (allergic) (with rhinitis) 477.9
      • with asthma (bronchial) (see also Asthma) 493.0
      • allergic, due to grass, pollen, ragweed, or tree 477.0
      • conjunctivitis 372.05
      • due to
  • IgE asthma 493.0
  • Rhinitis (atrophic) (catarrhal) (chronic) (croupous) (fibrinous) (hyperplastic) (hypertrophic) (membranous) (purulent) (suppurative) (ulcerative) 472.0
    • with
      • hay fever (see also Fever, hay) 477.9
        • with asthma (bronchial) 493.0
      • sore throat - see Nasopharyngitis
    • allergic (nonseasonal) (seasonal) (see also Fever, hay) 477.9
      • with asthma (see also Asthma) 493.0
      • due to food 477.1
 493 ICD9Data.com 493.00 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.0 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 2008 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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