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Your HbA2 percentage is within the normal range, helping rule out beta-thalassemia trait (which typically elevates HbA2).
A critically low HbA2 can occur in alpha-thalassemia (where alpha-globin production is reduced) or delta-thalassemia (defective delta-globin chain production). It is also seen in iron deficiency anemia.
See your doctor. Iron studies and a complete blood count will help distinguish iron deficiency from thalassemia.
HbA2: {{value}}% — critically low (ref: {{low}}%–{{high}}%)Low HbA2 is commonly seen in iron deficiency anemia (which reduces delta-chain synthesis) and in alpha-thalassemia trait. It helps distinguish these from beta-thalassemia (where HbA2 is elevated).
See your doctor. Iron studies will determine if iron deficiency is present, which is a common and treatable cause.
HbA2: {{value}}% — below reference range (ref: {{low}}%–{{high}}%)A borderline low HbA2 may be a normal variant or reflect mild iron deficiency.
Check iron studies if concerned. Usually not clinically significant.
HbA2: {{value}}% — borderline lowYour HbA2 percentage is within the normal range, helping rule out beta-thalassemia trait (which typically elevates HbA2).
No action needed.
HbA2: {{value}}% — within reference rangeYour HbA2 is in the healthy midrange, consistent with normal hemoglobin synthesis.
No action needed.
HbA2: {{value}}% — optimalA borderline high HbA2 (3.5–4.0%) can be a mild indicator of beta-thalassemia trait. Some individuals with beta-thalassemia trait have borderline, not clearly elevated, HbA2 levels.
Discuss with your doctor. If you have a low MCV on CBC, beta-thalassemia trait is possible and genetic counseling may be offered.
HbA2: {{value}}% — borderline highAn elevated HbA2 (above 3.5%) is the hallmark finding of beta-thalassemia trait. This is a genetic carrier state that is generally benign but may cause mild microcytic anemia. It is important for genetic counseling as two carriers can have a child with beta-thalassemia major.
See your doctor for confirmation and genetic counseling. Iron studies should be done to rule out iron deficiency anemia (which can lower HbA2 and mask the elevation).
HbA2: {{value}}% — above reference range (ref: {{low}}%–{{high}}%)A markedly elevated HbA2 is consistent with beta-thalassemia trait. This is a carrier state that does not cause illness itself but is important for family planning and genetic counseling.
Genetic counseling is recommended. If you are planning a family, your partner should also be tested for thalassemia trait.
HbA2: {{value}}% — critically high (ref: {{low}}%–{{high}}%)Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.