Autoimmune haemolytic anaemia, cold type (Q39539): Difference between revisions
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Revision as of 04:59, 13 August 2026
Cold autoimmune haemolytic anaemia comprises two types of autoimmune haemolytic anaemia (AIHA) defined by the presence of cold autoantibodies (autoantibodies which are active at temperatures below 30°C): cold agglutinin disease (CAD), which is the more common, and paroxysmal cold haemoglobinuria (PCH). CAD is more common in people over the age of 55 years, while PCH typically presents in young children. CAD is caused by IgM autoantibodies while PCH is caused by an IgG immunoglobulin.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 3A20.1 |
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| English | Autoimmune haemolytic anaemia, cold type |
Cold autoimmune haemolytic anaemia comprises two types of autoimmune haemolytic anaemia (AIHA) defined by the presence of cold autoantibodies (autoantibodies which are active at temperatures below 30°C): cold agglutinin disease (CAD), which is the more common, and paroxysmal cold haemoglobinuria (PCH). CAD is more common in people over the age of 55 years, while PCH typically presents in young children. CAD is caused by IgM autoantibodies while PCH is caused by an IgG immunoglobulin. |
