Ordering the Blood Type Test
Knowing your blood group is important for safe blood transfusions, pregnancy planning, and certain medical procedures. Interestingly, your blood group can also affect how your body reacts to some infections and medications, which is not widely known.
Ordering this test provides several specific benefits:
- Identifies your exact blood group (A, B, AB, or O) and Rh factor (positive or negative)
- Helps you make informed decisions if you want to donate blood or receive a transfusion
- Supports safe pregnancy planning by checking for Rh incompatibility
- Assists in preparing for surgeries or treatments that may require blood products
- Offers information that may be useful for certain diet or lifestyle choices, such as those suggested in the book Eat Right For Your Blood Type
Who Might Benefit from Blood Grouping
A person planning to donate blood for a family member may want to know their blood group to ensure compatibility and avoid complications. This knowledge can also help someone who is preparing for a medical procedure where a transfusion might be needed.
Ordering this test may also be helpful in these situations:
- Preparing for a planned surgery that could require blood products
- Starting a family and wanting to check for Rh compatibility between partners
- Joining a blood donation program or registry
- Following a diet plan based on blood group recommendations
- Participating in a clinical trial where blood group may affect eligibility or results
Knowing your blood group allows for safe transfusions, helps prevent Rh incompatibility in pregnancy, and supports medical planning. Delaying this test could mean missing important information before a procedure or donation, which may limit your options or cause avoidable delays.
Preparing for Blood Grouping Analysis
No fasting is needed before this test; you can eat and drink as usual. Always follow any instructions your doctor or healthcare provider gives you to make sure your sample is collected correctly and your results are valid.
Labs Included When Ordering Your Blood Type Test
| Test Name | Reference Range | What This Measures | Low and High Levels of Blood Type Test |
|---|---|---|---|
| Blood Group (A, B, AB, O) | A, B, AB, or O | This test checks for the presence of A and B antigens on your red blood cells to determine your blood group. It helps match you with compatible blood for transfusions and donations. |
High levels mean not applicable, as blood group is a category, not a quantity.
Low levels mean not applicable, as blood group is a category, not a quantity. |
| Rh Factor (Positive or Negative) | Positive or Negative | This part of the test checks for the Rh antigen (D antigen) on your red blood cells. It is important for pregnancy planning and safe transfusions. |
High levels mean Rh positive, which is the most common type and usually does not cause issues.
Low levels mean Rh negative, which may require special care during pregnancy or transfusions. |
Lab reference values can change over time. For the most current ranges, visit the Quest Diagnostics lab test directory.
Blood Type Test FAQ
Is there Blood Type testing near me?
You can find nearby locations for blood group testing using the patient service center locator, which also lists mobile phlebotomy options. This is helpful if you need quick results for a planned procedure or want to avoid traveling far for a simple blood draw.
What is the cost of the test?
The price you see for this test includes all fees, including sample collection at patient service center locations. Ordering this test is worth it because knowing your blood group can prevent delays or complications during medical treatments.
How often should I retest?
Most people only need to check their blood group once, as it does not change over time. Retesting may be needed if your records are lost or if you have received a bone marrow transplant, since this can affect your blood group.
How accurate is the test?
Blood group testing uses agglutination methods to detect A, B, and Rh antigens, with specificity and sensitivity both above 99.9%. All tests at TrueHealthLabs.com are performed by CLIA-certified labs, meeting strict quality and precision standards.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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