Specific code 2015 ICD-9-CM Diagnosis Code 279.49
Autoimmune disease, not elsewhere classified
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 279.49 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 279.49 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).
Convert to ICD-10-CM: 279.49 converts approximately to:
  • 2015/16 ICD-10-CM D89.89 Other specified disorders involving the immune mechanism, not elsewhere classified
Approximate Synonyms
  • Addison's disease due to autoimmunity
  • Antiphospholipid syndrome
  • Antisynthetase syndrome
  • Autoimmune connective tissue disorder
  • Autoimmune disease
  • Autoimmune disorder
  • Autoimmune disorder of inner ear
  • Autoimmune encephalitis
  • Autoimmune endocrine disease
  • Autoimmune enteropathy
  • Autoimmune factor VIII deficiency
  • Autoimmune hypophysitis
  • Autoimmune hypothyroidism
  • Autoimmune inflammation of skeletal muscle
  • Autoimmune inner ear disease
  • Autoimmune leukopenia
  • Autoimmune liver disease
  • Autoimmune neutropenia
  • Autoimmune primary ovarian failure
  • Autoimmune reaction
  • Autoimmune reaction mediated by antibody to tissue element with complement
  • Autoimmune reaction mediated by antibody to tissue element without complement
  • Autoimmune reaction mediated by B cells
  • Autoimmune reaction mediated by cell-mediated immunity
  • Autoimmune reaction mediated by immune complex
  • Autoimmune reaction mediated by T cells
  • Autoimmune reaction, specific organ or cell type
  • Autoimmune skin disease
  • Bilat autoimmune inner ear disease
  • Bilat autoimmune sensorineural hearing loss
  • Bilateral autoimmune disorder of inner ear
  • Bilateral autoimmune sensorineural hearing loss
  • Both sides autoimmune inner ear disease
  • Both sides autoimmune sensorineural hearing loss
  • Eosinophilic spongiosis
  • Induced autoimmune reaction
  • Insulin autoimmune syndrome
  • Left autoimmune inner ear disease
  • Left autoimmune sensorineural hearing loss
  • Left sided autoimmune disorder of inner ear
  • Lung disorder due to autoimmune disorder
  • Necrotizing autoimmune myopathy
  • Polymyositis associated with autoimmune disease
  • Right autoimmune inner ear disease
  • Right autoimmune sensorineural hearing loss
  • Right sided autoimmune disorder of inner ear
Applies To
  • Autoimmune disease NOS
ICD-9-CM Volume 2 Index entries containing back-references to 279.49:
  • Autoimmune
    • disease NEC 279.49
  • Deficiency, deficient
    • interferon 279.49
  • Dermatitis (allergic) (contact) (occupational) (venenata) 692.9
    • autoimmune progesterone 279.49
  • Disease, diseased - see also Syndrome
    • autoimmune NEC 279.49
  • Disorder - see also Disease
    • autoimmune NEC 279.49
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 279.49 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.