2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Chronic Obstructive Pulmonary Disease And Allied Conditions 490-496 > Asthma 493.* >  2008 ICD-9-CM Diagnosis 493.91
Asthma unspecified type with status asthmaticus On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 493.91 can be accessed here. - 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.
- 493.91 is a specific code that can be used to specify a diagnosis
- 493.91 contains 1 index entry
- View the ICD-9-CM Volume 1 493.* hierarchy
Index entries containing 493.91:- Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490
- asthmatic (acute) 493.90
- with
- status asthmaticus
 493.91
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