279.9 IMMUNE MECHANISM DIS NOS

Code Information

Diagnosis Code: 279.9

Short Description: Immune mechanism dis NOS

Long Description: Unspecified disorder of immune mechanism

Code Classification:

  • Endocrine, nutritional and metabolic diseases, and immunity disorders (240–279)
    • Other metabolic disorders and immunity disorders (270-279)
      • 279 Disorders involving the immune mechanism
        • 279.9 Immune mechanism dis NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 279.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Disease, diseased - see also Syndrome
    • immunologic NEC 279.9
  • Disorder - see also Disease
    • immune mechanism (immunity) 279.9
      • single complement (C1-C9)�279.8
      • specified type NEC 279.8

Crosswalk Information

The code 279.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
279.9 Right Arrow D89.9 Disorder involving the immune mechanism, unspecified
This ICD-9 to ICD-10 data is based on the 2015 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

No. ICD-9 Code ICD-9 Description
1 279.00 Hypogammaglobulinemia, unspecified
2 279.01 Selective IgA immunodeficiency
3 279.02 Selective IgM immunodeficiency
4 279.03 Other selective immunoglobulin deficiencies
5 279.04 Congenital hypogammaglobulinemia
6 279.05 Immunodeficiency with increased IgM
7 279.06 Common variable immunodeficiency
8 279.09 Other deficiency of humoral immunity
9 279.10 Immunodeficiency with predominant T-cell defect, unspecified
10 279.11 Digeorge's syndrome
11 279.12 Wiskott-aldrich syndrome
12 279.13 Nezelof's syndrome
13 279.19 Other deficiency of cell-mediated immunity
14 279.2 Combined immunity deficiency
15 279.3 Unspecified immunity deficiency
16 279.41 Autoimmune lymphoproliferative syndrome
17 279.49 Autoimmune disease, not elsewhere classified
18 279.50 Graft-versus-host disease, unspecified
19 279.51 Acute graft-versus-host disease
20 279.52 Chronic graft-versus-host disease
21 279.53 Acute on chronic graft-versus-host disease
22 279.8 Other specified disorders involving the immune mechanism

This page was last updated on: 10/1/2014