Autoimmune hemolytic anemia (AIHA) is a condition in which the body produces antibodies that attack and destroy the body’s own red blood cells. This can be a very serious condition, and it is essential to properly diagnose and treat it. Fortunately, there are tests available that can help diagnose and monitor AIHA.
Diagnostic Tests for AIHA
The first step in diagnosing AIHA is a complete blood count (CBC) and a reticulocyte count. The CBC will determine if the patient has anemia, and the reticulocyte count will show if the body is producing new red blood cells at a normal rate. If the CBC and reticulocyte count are abnormal, the next step is to perform an antibody test to determine if the patient has AIHA.
The antibody test looks for a type of antibody called an IgG or IgM autoantibody. These antibodies bind to red blood cells and cause them to be destroyed. If the antibody test is positive, the doctor can then order additional tests to confirm the diagnosis.
Additional Tests to Confirm AIHA
Once the antibody test is positive, the doctor will typically order additional tests to confirm the diagnosis. These tests include a direct Coombs test, a cold agglutinin test, and a hemolytic anemia panel.
The direct Coombs test looks for the presence of IgG or IgM autoantibodies that are attached to the patient’s red blood cells. The cold agglutinin test looks for antibodies that are specific to cold temperatures. The hemolytic anemia panel is a combination of tests that measure the destruction of red blood cells.
Monitoring Tests for AIHA
Once a patient has been diagnosed with AIHA, the doctor may order additional tests to monitor the disease. These tests include a complete blood count, a reticulocyte count, and a direct Coombs test.
The complete blood count will show if the anemia is improving or worsening. The reticulocyte count will show if the body is producing new red blood cells at a normal rate. The direct Coombs test will show if the autoantibodies are still present.
In summary, there are tests available to diagnose and monitor autoimmune hemolytic anemia. These tests include a complete blood count, a reticulocyte count, an antibody test, a direct Coombs test, a cold agglutinin test, and a hemolytic anemia panel. It is important to properly diagnose and monitor AIHA in order to effectively manage the condition.