This article needs to be updated. The reason given is: no files for 2006 are listed at the cited source, but files for 2013 are there; NLM releases this information annually. Please help update this article to reflect recent events or newly available information. (February 2020)

The following is a partial list of the "C" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM).

This list continues the information at List of MeSH codes (C19). Codes following these are found at List of MeSH codes (C21). For other MeSH codes, see List of MeSH codes.

The source for this content is the set of 2006 MeSH Trees from the NLM.

MeSH C20 – immune system diseases

MeSH C20.111 – autoimmune diseases

MeSH C20.111.163 – Addison disease

MeSH C20.111.175 – anemia, hemolytic, autoimmune

MeSH C20.111.190 – anti-glomerular basement membrane disease

MeSH C20.111.197 – antiphospholipid syndrome

MeSH C20.111.199 – arthritis, rheumatoid

MeSH C20.111.258 – autoimmune diseases of the nervous system

MeSH C20.111.318 – dermatitis herpetiformis

MeSH C20.111.327 – diabetes mellitus, type 1

MeSH C20.111.375 – familial Mediterranean fever

MeSH C20.111.525 – glomerulonephritis, iga

MeSH C20.111.535 – glomerulonephritis, membranous

MeSH C20.111.550 – Goodpasture syndrome

MeSH C20.111.555 – Graves' disease

MeSH C20.111.567 – hepatitis, autoimmune

MeSH C20.111.580 – Lambert–Eaton myasthenic syndrome

MeSH C20.111.590 – lupus erythematosus, systemic

MeSH C20.111.709 – ophthalmia, sympathetic

MeSH C20.111.730 – pemphigoid, bullous

MeSH C20.111.736 – pemphigus

MeSH C20.111.750 – polyendocrinopathies, autoimmune

MeSH C20.111.759 – purpura, thrombocytopenic, idiopathic

MeSH C20.111.782 – Reiter disease

MeSH C20.111.809 – thyroiditis, autoimmune

MeSH C20.188 – blood group incompatibility

MeSH C20.188.413 – erythroblastosis, fetal

MeSH C20.188.780 – rh isoimmunization

MeSH C20.425 – glomerulonephritis, membranoproliferative

MeSH C20.452 – graft vs host disease

MeSH C20.543 – hypersensitivity

MeSH C20.543.206 – drug hypersensitivity

MeSH C20.543.312 – environmental illness

MeSH C20.543.418 – hypersensitivity, delayed

MeSH C20.543.480 – hypersensitivity, immediate

MeSH C20.543.520 – immune complex diseases

MeSH C20.543.600 – latex hypersensitivity

MeSH C20.543.928 – Wissler's syndrome

MeSH C20.673 – immunologic deficiency syndromes

MeSH C20.673.088 – agammaglobulinemia

MeSH C20.673.290 – ataxia–telangiectasia

MeSH C20.673.330 – common variable immunodeficiency

MeSH C20.673.340 – DiGeorge syndrome

MeSH C20.673.430 – dysgammaglobulinemia

MeSH C20.673.480 – hiv infections

MeSH C20.673.483 – deltaretrovirus infections

MeSH C20.673.600 – leukocyte-adhesion deficiency syndrome

MeSH C20.673.627 – lymphopenia

MeSH C20.673.774 – phagocyte bactericidal dysfunction

MeSH C20.673.815 – severe combined immunodeficiency

MeSH C20.673.972 – Wiskott–Aldrich syndrome

MeSH C20.683 – immunoproliferative disorders

MeSH C20.683.460 – hypergammaglobulinemia

MeSH C20.683.515 – lymphoproliferative disorders

MeSH C20.683.780 – paraproteinemias

MeSH C20.841 – purpura, thrombocytopenic

MeSH C20.841.600 – purpura, thrombocytopenic, idiopathic

The list continues at List of MeSH codes (C21).

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