Specific code 2011 ICD-9-CM Diagnosis Code 493.00
Extrinsic asthma unspecified
  • Short description: Extrinsic asthma NOS.
  • ICD-9-CM 493.00 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 493.00 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 493.00.
  • More recent version(s) of ICD-9-CM 493.00: 2012 2013 2014.
Disease Synonyms
  • Asthma W allergic rhinitis
  • Asthma with allergic rhinitis (nasal congestion)
  • Asthma with allergic rhinitis, mild intermittent
  • Asthma with allergic rhinitis, mild persistent
  • Asthma with allergic rhinitis, moderate persistent
  • Asthma with allergic rhinitis, severe persistent
  • Hay asthma
  • Hay fever with asthma
  • Intermittent asthma w allergic rhinitis
  • Intermittent asthma w allergic rhinitis, controlled
  • Intermittent asthma w allergic rhinitis, not controlled
  • Intermittent asthma with allergic rhinitis
  • Intermittent asthma with allergic rhinitis, controlled
  • Intermittent asthma with allergic rhinitis, not controlled
  • Intermittent controlled asthma with allergic rhinitis
  • Intermittent uncontrolled asthma with allergic rhinitis
  • Mild persistent asthma w allergic rhinitis
  • Mild persistent asthma w allergic rhinitis, controlled
  • Mild persistent asthma w allergic rhinitis, not controlled
  • Mild persistent asthma with allergic rhinitis
  • Mild persistent asthma with allergic rhinitis, controlled
  • Mild persistent asthma with allergic rhinitis, not controlled
  • Mild persistent controlled asthma with allergic rhinitis
  • Mild persistent uncontrolled asthma with allergic rhinitis
  • Moderate persistent asthma w allergic rhinitis
  • Moderate persistent asthma w allergic rhinitis, controlled
  • Moderate persistent asthma w allergic rhinitis, not controlled
  • Moderate persistent asthma with allergic rhinitis
  • Moderate persistent asthma with allergic rhinitis, controlled
  • Moderate persistent asthma with allergic rhinitis, not controlled
  • Moderate persistent controlled asthma with allergic rhinitis
  • Moderate persistent uncontrolled asthma with allergic rhinitis
  • Severe persistent asthma w allergic rhinitis
  • Severe persistent asthma w allergic rhinitis, controlled
  • Severe persistent asthma w allergic rhinitis, not controlled
  • Severe persistent asthma with allergic rhinitis
  • Severe persistent asthma with allergic rhinitis, controlled
  • Severe persistent asthma with allergic rhinitis, not controlled
  • Severe persistent controlled asthma with allergic rhinitis
  • Severe persistent uncontrolled asthma with allergic rhinitis
Convert to ICD-10-CM: 493.00 converts approximately to:
  • 2014 ICD-10-CM J45.20 Mild intermittent asthma, uncomplicated
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.00 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.