Specific code 2014 ICD-9-CM Diagnosis Code 493.91
Asthma, unspecified type, with status asthmaticus
  • Billable Code
  • Short description: Asthma w status asthmat.
  • ICD-9-CM 493.91 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 493.91 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Allergic asthma w status asthmaticus
  • Asthma w status asthmaticus
  • Asthma with status
  • Asthma with status asthmaticus
  • Asthma, allergic with status asthmaticus
  • Extrinsic asthma with status asthmaticus
  • Intermittent allergic asthma in status asthmaticus
  • Intermittent allergic asthma w status asthmaticus
  • Intermittent allergic asthma with status asthmaticus
  • Intermittent asthma in status asthmaticus
  • Intermittent asthma w status asthmaticus
  • Intermittent asthma with status asthmaticus
  • Mild persistent allergic asthma in status asthmaticus
  • Mild persistent allergic asthma w status asthmaticus
  • Mild persistent allergic asthma with status asthmaticus
  • Mild persistent asthma in status asthmaticus
  • Mild persistent asthma w status asthmaticus
  • Mild persistent asthma with status asthmaticus
  • Moderate persistent allergic asthma in status asthmaticus
  • Moderate persistent allergic asthma w status asthmaticus
  • Moderate persistent allergic asthma with status asthmaticus
  • Moderate persistent asthma in status asthmaticus
  • Moderate persistent asthma w status asthmaticus
  • Moderate persistent asthma with status asthmaticus
  • Severe persistent allergic asthma in status asthmaticus
  • Severe persistent allergic asthma w status asthmaticus
  • Severe persistent allergic asthma with status asthmaticus
  • Severe persistent asthma in status asthmaticus
  • Severe persistent asthma w status asthmaticus
  • Severe persistent asthma with status asthmaticus
Clinical Information
  • A sudden intense and continuous aggravation of a state of asthma, marked by dyspnea to the point of exhaustion and collapse and not responding to the usual therapeutic efforts.
Convert to ICD-10-CM: 493.91 converts directly to:
  • 2014 ICD-10-CM J45.902 Unspecified asthma with status asthmaticus
ICD-9-CM Volume 2 Index entries containing back-references to 493.91:
  • Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490
    • asthmatic (acute) 493.90
      • with
        • acute exacerbation 493.92
        • status asthmaticus 493.91
      • chronic 493.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.91 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.