Non-specific code 2015 ICD-9-CM Diagnosis Code 999.4
Anaphylactic reaction to serum
  • 2015
  • Non-Billable Code

  • There are 3 ICD-9-CM codes below 999.4 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
999.4 Excludes
  • ABO incompatibility reaction due to transfusion of blood or blood products (999.60-999.69)
  • reaction:
Applies To
  • Allergic shock
  • Anaphylactic shock due to serum
  • Anaphylactoid reaction due to serum
  • Anaphylaxis
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 999.4 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.