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Start free with EleplanAutoimmune hemolytic anemia, warm type
ORPHA:90033Disease
Also called Warm AIHA · wAHA · wAIHA
What it is
Warm autoimmune hemolytic anemia is the most common form of autoimmune hemolytic anemia defined by the presence of warm autoantibodies against red blood cells (autoantibodies that are active at temperatures between 37-40°C).
Key facts
- Prevalence
- 1-9 / 100 000 (annual incidence, France)
- Age of onset
- All ages
- Inheritance
- Multigenic/multifactorial
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Common30–79%
12Sometimes5–29%
9- Abnormal urinary color
- Chest pain
- Chronic lymphatic leukemia
- Congestive heart failure
- Elevated jugular venous pressure
- Fever
- Jaundice
- Systemic lupus erythematosus
and 1 more in this range
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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