Specific code 2007 ICD-9-CM Diagnosis Code 279.4
Autoimmune disease not elsewhere classified
  • Short description: AUTOIMMUNE DISEASE NEC.
  • ICD-9-CM 279.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 279.4 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2007 version of ICD-9-CM 279.4.
  • More recent version(s) of ICD-9-CM 279.4: 2008 2009 2010 2011 2012 2013 2014 2015.
  • No ICD-10-CM code(s) convert to ICD-9-CM 279.4
279.4 Excludes
Applies To
  • Autoimmune disease NOS
ICD-9-CM Volume 2 Index entries containing back-references to 279.4:
  • Autoimmune
    • disease NEC 279.4
  • Deficiency, deficient
    • interferon 279.4
  • Disease, diseased - see also Syndrome
    • autoimmune NEC 279.4
  • Disorder - see also Disease
    • autoimmune NEC 279.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 279.4 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.