Non-specific code 2014 ICD-9-CM Diagnosis Code 493.1
Intrinsic asthma
  • Non-Billable Code
  • There are 3 ICD-9-CM codes below 493.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Applies To
  • Late-onset asthma
ICD-9-CM Volume 2 Index entries containing back-references to 493.1:
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic) 493.9
    • endogenous (intrinsic) 493.1
    • infective 493.1
    • intrinsic 493.1
    • late-onset 493.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 493.1 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.