Specific code 2012 ICD-9-CM Diagnosis Code 493.90
Asthma,unspecified type, unspecified
  • Short description: Asthma NOS.
  • ICD-9-CM 493.90 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 493.90 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 493.90.
  • More recent version(s) of ICD-9-CM 493.90: 2013 2014.
Disease Synonyms
  • Allergic asthma
  • Asthma
  • Asthma in childbirth
  • Asthma in mother complicating childbirth
  • Asthma postpartum
  • Asthma w irreversible airway obstruction
  • Asthma with irreversible airway obstruction
  • Asthma, allergic
  • Asthma, intermittent
  • Asthma, intermittent controlled
  • Asthma, intermittent not controlled
  • Asthma, mild intermittent
  • Asthma, mild persistent
  • Asthma, mixed
  • Asthma, moderate persistent
  • Asthma, occupational
  • Asthma, persistent controlled
  • Asthma, persistent, not controlled
  • Asthma, seasonal
  • Asthma, severe persistent
  • Asthmatic bronchitis
  • Chronic asthmatic bronchitis
  • Intermittent allergic asthma
  • Intermittent allergic asthma, controlled
  • Intermittent allergic asthma, not controlled
  • Intermittent asthma
  • Intermittent asthma, controlled
  • Intermittent asthma, not controlled
  • Intermittent asthma, uncontrolled
  • Intermittent asthma, well controlled
  • Intermittent controlled allergic asthma
  • Intermittent uncontrolled allergic asthma
  • Mild intermittent asthma
  • Mild persistent allergic asthma
  • Mild persistent allergic asthma, controlled
  • Mild persistent allergic asthma, not controlled
  • Mild persistent asthma
  • Mild persistent asthma, controlled
  • Mild persistent asthma, not controlled
  • Mild persistent controlled allergic asthma
  • Mild persistent controlled asthma
  • Mild persistent uncontrolled allergic asthma
  • Mild persistent uncontrolled asthma
  • Mixed asthma
  • Moderate controlled persistent asthma
  • Moderate persistent allergic asthma
  • Moderate persistent allergic asthma, controlled
  • Moderate persistent allergic asthma, not controlled
  • Moderate persistent asthma
  • Moderate persistent asthma, controlled
  • Moderate persistent asthma, not controlled
  • Moderate persistent controlled allergic asthma
  • Moderate persistent uncontrolled allergic asthma
  • Moderate uncontrolled persistent asthma
  • Occupational asthma
  • Persistent asthma, uncontrolled
  • Persistent asthma, well controlled
  • Postpartum asthma
  • Postpartum asthma (after childbirth)
  • Reactive airway disease
  • Reactive airway disease (wheezing from allergies)
  • Reactive airways dysfunction syndrome
  • Seasonal asthma
  • Severe controlled persistent asthma
  • Severe persistent allergic asthma
  • Severe persistent allergic asthma, controlled
  • Severe persistent allergic asthma, not controlled
  • Severe persistent asthma
  • Severe persistent asthma, controlled
  • Severe persistent asthma, not controlled
  • Severe persistent controlled allergic asthma
  • Severe persistent uncontrolled allergic asthma
  • Severe uncontrolled persistent asthma
Convert to ICD-10-CM: 493.90 converts approximately to:
  • 2014 ICD-10-CM J45.909 Unspecified asthma, uncomplicated
    Or:
  • 2014 ICD-10-CM J45.998 Other asthma
ICD-9-CM Volume 2 Index entries containing back-references to 493.90:
  • Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490
    • asthmatic (acute) 493.90
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.90 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.