Check your medical records from your doctor, hospital, or clinic
Look for blood type on past lab results, donor cards, or immunization records
Ask your primary care doctor to order a blood type test
Visit a local lab or urgent care center that offers blood typing
Donate blood and ask the blood center for your blood type
Use an at-home blood typing kit
If you are pregnant, ask your prenatal care provider for your blood type
If you had surgery or a blood transfusion, ask the hospital for your records
Confirm the result with a professional lab test if you used an at-home kit