DA42.0 Autoimmune gastritis International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01 A type of chronic atrophic gastritis restricted to gastric body mucosa, and characterised by a severe atrophy of the acid secreting glands and achlorhydria. This is usually associated with serum antiparietal cell antibody, with or without pernicious anaemia.
postcoordination Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Has manifestation - multiple selections are allowed [select] MG30.42 Chronic visceral pain from persistent inflammation Associated with - multiple selections are allowed [select] ME24 Clinical manifestations of the digestive system ME24.0 Digestive system abscess ME24.1 Digestive system fistula ME24.2 Digestive system obstruction ME24.3 Digestive system perforation ME24.4 Digestive system stenosis ME24.5 Digestive system ulcer ME24.6 Digestive system dilatation ME24.7 Digestive system incarceration ME24.8 Digestive system strangulation or gangrene ME24.9 Gastrointestinal bleeding ME24.A Other digestive system haemorrhage, not elsewhere classified ME24.Y Other specified clinical manifestations of the digestive system ME24.30 Perforation of small intestine ME24.31 Perforation of large intestine ME24.35 Perforation of gallbladder or bile ducts ME24.3Y Digestive system perforation of other specified site ME24.3Z Digestive system perforation of unspecified site ME24.90 Acute gastrointestinal bleeding, not elsewhere classified ME24.91 Chronic gastrointestinal bleeding, not elsewhere classified ME24.9Z Gastrointestinal bleeding, unspecified ME24.A0 Obscure gastrointestinal bleeding ME24.A1 Haemorrhage of anus or rectum ME24.A2 Oesophageal haemorrhage ME24.A3 Haematochezia ME24.A4 Melaena ME24.A5 Haematemesis ME24.A6 Positive occult blood in stool Course - only one may be selected [select] XT5R Acute XT8W Chronic Has causing condition - a selection is required - multiple selections are allowed [select] 4A00 Primary immunodeficiencies due to disorders of innate immunity 4A01 Primary immunodeficiencies due to disorders of adaptive immunity 4A0Y Other specified primary immunodeficiencies 4A0Z Primary immunodeficiencies, unspecified 4A00.0 Functional neutrophil defects 4A00.1 Defects in the complement system 4A00.2 Genetic susceptibility to particular pathogens 4A00.3 Immunodeficiency with natural-killer cell deficiency 4A00.Y Other specified primary immunodeficiencies due to disorders of innate immunity 4A00.Z Primary immunodeficiencies due to disorders of innate immunity, unspecified 4A01.0 Immunodeficiencies with predominantly antibody defects 4A01.1 Combined immunodeficiencies 4A01.2 Diseases of immune dysregulation 4A01.3 Other well-defined immunodeficiency syndromes due to defects in adaptive immunity 4A01.Z Primary immunodeficiencies due to disorders of adaptive immunity, unspecified 4A00.00 Neutrophil immunodeficiency syndrome 4A00.0Y Other specified functional neutrophil defects 4A00.0Z Functional neutrophil defects, unspecified 4A00.10 Immunodeficiency with an early component of complement deficiency 4A00.11 Immunodeficiency with a late component of complement deficiency 4A00.12 Immunodeficiency with factor B deficiency 4A00.13 Immunodeficiency with factor D anomaly 4A00.14 Hereditary angioedema 4A00.15 Acquired angioedema 4A00.1Y Other specified defects in the complement system 4A00.1Z Defects in the complement system, unspecified 4A01.00 Hereditary agammaglobulinaemia with profoundly reduced or absent B cells 4A01.01 Immunodeficiencies with severe reduction in at least two serum immunoglobulin isotypes with normal or low numbers of B cells 4A01.02 Specific antibody deficiency with normal immunoglobulin concentrations or normal number of B cells 4A01.03 Transient hypogammaglobulinaemia of infancy 4A01.04 Immunodeficiencies with isotype or light chain deficiencies with normal number of B cells 4A01.05 Immunodeficiencies with severe reduction in serum IgG or IgA with normal or elevated IgM and normal numbers of B-cells 4A01.0Y Other specified immunodeficiencies with predominantly antibody defects 4A01.0Z Immunodeficiencies with predominantly antibody defects, unspecified 4A01.10 Severe combined immunodeficiencies 4A01.11 Major histocompatibility complex class I deficiency 4A01.12 Major histocompatibility complex class II deficiency 4A01.1Y Other specified combined immunodeficiencies 4A01.1Z Combined immunodeficiencies, unspecified 4A01.20 Immune dysregulation syndromes with hypopigmentation 4A01.21 Immune dysregulation syndromes presenting primarily with autoimmunity 4A01.22 Immune dysregulation syndromes presenting primarily with lymphoproliferation 4A01.23 Primary haemophagocytic lymphohistiocytosis 4A01.2Y Other specified diseases of immune dysregulation 4A01.2Z Diseases of immune dysregulation, unspecified 4A01.30 Immunodeficiency due to defects of the thymus 4A01.31 DNA repair defects other than combined T-cell or B-cell immunodeficiencies 4A01.32 Immuno-osseous dysplasia 4A01.33 Hepatic veno-occlusive disease - immunodeficiency syndrome 4A01.34 Hyperimmunoglobulin E syndromes 4A20 Acquired immunodeficiencies 4A20.0 Adult-onset immunodeficiency 4A20.1 Acquired immunodeficiency due to loss of immunoglobulin 4A20.2 Secondary haemophagocytic lymphohistiocytosis 4A20.Y Other specified acquired immunodeficiencies 4A20.Z Acquired immunodeficiencies, unspecified 4A20.20 Haemophagocytic syndrome associated with infection 4A20.21 Haemophagocytic lymphohistiocytosis associated with a malignant disease 4A20.2Y Other specified secondary haemophagocytic lymphohistiocytosis 4A20.2Z Secondary haemophagocytic lymphohistiocytosis, unspecified 4A40 Lupus erythematosus 4A41 Idiopathic inflammatory myopathy 4A42 Systemic sclerosis 4A43 Overlap or undifferentiated nonorgan specific systemic autoimmune disease 4A44 Vasculitis 4A45 Antiphospholipid syndrome 4A4Y Other specified nonorgan specific systemic autoimmune disorders 4A4Z Nonorgan specific systemic autoimmune disorders, unspecified 4A40.0 Systemic lupus erythematosus 4A40.1 Drug-induced lupus erythematosus 4A40.Y Other specified lupus erythematosus 4A40.Z Lupus erythematosus, unspecified 4A41.0 Dermatomyositis 4A41.1 Polymyositis 4A41.2 Inclusion body myopathy 4A41.Y Other specified idiopathic inflammatory myopathy 4A41.Z Idiopathic inflammatory myopathy, unspecified 4A42.0 Paediatric onset systemic sclerosis 4A42.1 Diffuse systemic sclerosis 4A42.2 Limited systemic sclerosis 4A42.Z Systemic sclerosis, unspecified 4A43.0 IgG4 related disease 4A43.1 Mikulicz disease 4A43.2 Sjögren syndrome 4A43.3 Mixed connective tissue disease 4A43.4 Diffuse eosinophilic fasciitis 4A43.Y Other specified overlap non-organ specific systemic autoimmune disease 4A43.Z Undifferentiated non-organ specific systemic autoimmune disease 4A44.0 Rhizomelic pseudopolyarthritis 4A44.1 Aortic arch syndrome 4A44.2 Giant cell arteritis 4A44.3 Single organ vasculitis 4A44.4 Polyarteritis nodosa 4A44.5 Mucocutaneous lymph node syndrome 4A44.6 Sneddon syndrome 4A44.7 Primary angiitis of the central nervous system 4A44.8 Thromboangiitis obliterans 4A44.9 Immune complex small vessel vasculitis 4A44.A Antineutrophil cytoplasmic antibody-associated vasculitis 4A44.B Leukocytoclastic vasculitis 4A44.Y Other specified vasculitis 4A44.Z Vasculitis, unspecified 4A45.0 Primary antiphospholipid syndrome 4A45.1 Secondary antiphospholipid syndrome 4A45.2 Antiphospholipid syndrome in pregnancy 4A45.3 Lupus anticoagulant-hypoprothrombinaemia syndrome 4A45.Z Antiphospholipid syndrome, unspecified 4A40.00 Systemic lupus erythematosus with skin involvement 4A40.0Y Other specified systemic lupus erythematosus 4A40.0Z Systemic lupus erythematosus, unspecified 4A41.00 Adult dermatomyositis 4A41.01 Juvenile dermatomyositis 4A41.0Z Dermatomyositis, unspecified 4A41.10 Juvenile polymyositis 4A41.11 Paraneoplastic polymyositis 4A41.1Y Other specified polymyositis 4A41.1Z Polymyositis, unspecified 4A41.20 Inflammatory inclusion body myositis 4A41.21 Noninflammatory inclusion body myopathy 4A41.2Z Inclusion body myopathy, unspecified 4A43.20 Primary Sjögren syndrome 4A43.21 Secondary Sjögren syndrome 4A43.22 Paediatric onset Sjögren syndrome 4A43.2Y Other specified sjögren syndrome 4A43.2Z Sjögren syndrome, unspecified 4A44.90 Cryoglobulinaemic vasculitis 4A44.91 Hypocomplementaemic urticarial vasculitis 4A44.92 IgA vasculitis 4A44.9Y Other specified immune complex small vessel vasculitis 4A44.9Z Immune complex small vessel vasculitis, unspecified 4A44.A0 Microscopic polyangiitis 4A44.A1 Granulomatosis with polyangiitis 4A44.A2 Eosinophilic granulomatosis with polyangiitis 4A44.AY Other specified antineutrophil cytoplasmic antibody-associated vasculitis 4A44.AZ Antineutrophil cytoplasmic antibody-associated vasculitis, unspecified 4A44.B0 Cutaneous leukocytoclastic vasculitis 4A44.BY Other specified leukocytoclastic vasculitis 4A44.BZ Leukocytoclastic vasculitis, unspecified 4A60 Monogenic autoinflammatory syndromes 4A61 SAPHO syndrome 4A62 Behçet disease 4A6Y Other specified autoinflammatory disorders 4A6Z Autoinflammatory disorders, unspecified 4A60.0 Familial Mediterranean fever 4A60.1 Cryopyrin-associated periodic syndromes 4A60.2 Tumour necrosis factor receptor 1 associated periodic syndrome 4A60.Y Other specified monogenic autoinflammatory syndromes 4A60.Z Autoimflammatory syndrome, unspecified 4A80 Allergic or hypersensitivity disorders involving the respiratory tract 4A81 Allergic or hypersensitivity disorders involving the eye 4A82 Allergic or hypersensitivity disorders involving skin or mucous membranes 4A83 Allergic or hypersensitivity disorders involving the gastrointestinal tract 4A84 Anaphylaxis 4A85 Complex allergic or hypersensitivity conditions 4A8Y Allergic or hypersensitivity conditions of other specified type 4A8Z Allergic or hypersensitivity conditions of unspecified type 4A80.0 Drug-induced bronchospasm 4A80.1 Bronchospasm provoked by allergy to food substance 4A80.Y Other specified allergic or hypersensitivity disorders involving the respiratory tract 4A80.Z Allergic or hypersensitivity disorders involving the respiratory tract, unspecified 4A83.0 Food-induced eosinophilic gastroenteritis 4A83.1 Food-induced eosinophilic oesophagitis 4A83.Y Other specified allergic or hypersensitivity disorders involving the gastrointestinal tract 4A83.Z Allergic or hypersensitivity disorders involving the gastrointestinal tract, unspecified 4A84.0 Anaphylaxis due to allergic reaction to food 4A84.1 Drug-induced anaphylaxis 4A84.2 Anaphylaxis due to insect venom 4A84.3 Anaphylaxis provoked by physical factors 4A84.4 Anaphylaxis due to inhaled allergens 4A84.5 Anaphylaxis due to contact with allergens 4A84.6 Anaphylaxis secondary to mast cell disorder 4A84.Y Other specified anaphylaxis 4A84.Z Anaphylaxis, unspecified 4A85.0 Drug or pharmacological agents hypersensitivity 4A85.1 Hypersensitivity to herbal or alternative medical therapies 4A85.2 Food hypersensitivity 4A85.3 Allergic or hypersensitivity reactions to arthropods 4A85.Y Other specified complex allergic or hypersensitivity conditions 4A85.Z Complex allergic or hypersensitivity conditions, unspecified 4A84.30 Exercise-induced anaphylaxis 4A84.31 Cold-induced anaphylaxis 4A84.3Y Anaphylaxis provoked by other specified physical factors 4A84.3Z Anaphylaxis provoked by unspecified physical factors 4A85.00 Drug-induced liver hypersensitivity disease 4A85.01 Drug-induced kidney hypersensitivity 4A85.02 Drug-induced cytopenia 4A85.03 Drug-induced vasculitis 4A85.04 Multiple drug hypersensitivity syndrome 4A85.0Y Drug hypersensitivity of other specified type 4A85.0Z Drug hypersensitivity of unspecified type 4A85.20 Food-induced gastrointestinal hypersensitivity 4A85.21 Food-induced urticaria or angioedema 4A85.22 Allergic contact dermatitis due to food allergen 4A85.2Y Other specified food hypersensitivity 4A85.2Z Food hypersensitivity, unspecified 4A85.30 Systemic allergic reaction due to Hymenoptera venom 4A85.31 Cutaneous allergic or hypersensitivity reactions to Hymenoptera venom 4A85.32 Cutaneous allergic or hypersensitivity reactions to arthropods 4B00 Disorders of neutrophil number 4B01 Disorders of neutrophil function 4B02 Eosinopenia 4B03 Eosinophilia 4B04 Disorders with decreased monocyte counts 4B05 Disorders with increased monocyte counts 4B06 Acquired lymphopenia 4B07 Acquired lymphocytosis 4B0Y Other specified immune system disorders involving white cell lineages 4B0Z Immune system disorders involving white cell lineages, unspecified 4B00.0 Neutropaenia 4B00.1 Neutrophilia 4B01.0 Constitutional disorders of neutrophil function 4B01.1 Acquired disorders of neutrophil function 4B01.Z Disorders of neutrophil function, unspecified 4B02.0 Constitutional decrease in eosinophil number 4B02.1 Acquired decrease in eosinophil number 4B02.Z Eosinopenia, unspecified 4B03.0 Constitutional eosinophilia 4B03.1 Acquired eosinophilia 4B03.Z Eosinophilia, unspecified 4B00.00 Constitutional neutropaenia 4B00.01 Acquired neutropaenia 4B00.0Z Neutropaenia, unspecified 4B00.10 Constitutional neutrophilia 4B00.11 Acquired neutrophilia 4B00.1Z Neutrophilia, unspecified 4B01.00 Disorders of neutrophil adhesion 4B01.01 Disorders of neutrophil chemotaxis 4B01.02 Disorders of neutrophil granule formation or release 4B01.03 Disorders of neutrophil oxidative metabolism 4B01.0Y Other specified constitutional disorders of neutrophil function 4B01.0Z Constitutional disorders of neutrophil function, unspecified 4B20 Sarcoidosis 4B21 Polyclonal hypergammaglobulinaemia 4B22 Cryoglobulinaemia 4B23 Immune reconstitution inflammatory syndrome 4B24 Graft-versus-host disease 4B2Y Other specified disorders involving the immune system 4B20.0 Sarcoidosis of lung 4B20.1 Sarcoidosis of lymph nodes 4B20.2 Sarcoidosis of the digestive system 4B20.3 Neurosarcoidosis 4B20.4 Ocular sarcoidosis 4B20.5 Cutaneous sarcoidosis 4B20.Y Other specified sarcoidosis 4B20.Z Sarcoidosis, unspecified 4B24.0 Acute graft-versus-host disease 4B24.1 Chronic graft-versus-host disease 4B24.Y Other specified graft-versus-host disease 4B24.Z Graft-versus-host disease, unspecified 4B40 Diseases of thymus 4B40.0 Persistent hyperplasia of thymus 4B40.1 Abscess of thymus 4B40.2 Good syndrome 4B40.Y Other specified diseases of thymus 4B40.Z Diseases of thymus, unspecified 4B4Y Other specified diseases of the immune system 4B4Z Diseases of the immune system, unspecified
synonyms
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