Anti-Brazilian Hemolytic Serum Antibody (IgG) by Immunoassay
This test measures the presence of antibodies in your blood that may react against certain red blood cells, potentially causing hemolytic reactions. It is often used in specialized blood compatibility testing.
["This test helps assess rare blood compatibility issues that may require specialized transfusion support."]
Key facts at a glance
- LOINC
- 110179-9
- Short code
- L braziliensis IgG Msmt Ser
- Synonyms
- L braziliensis IgG Msmt Ser
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82784
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have a history of unusual reactions during blood transfusions, are undergoing complex blood compatibility testing, or if you are a donor requiring specialized screening for rare blood types.
What to Expect Before the Test
No special preparation is typically needed. You may have a simple blood draw from a vein in your arm. If you are a donor, follow your blood center’s specific instructions for testing.
What the Test Measures
The test detects specific IgG antibodies that could theoretically react with Brazilian hemolytic antigens. This is a qualitative measure, meaning it only tells you if antibodies are present rather than their exact amount.
What the Results Mean
Positive results indicate the presence of these antibodies, which may be important for blood compatibility testing. Negative results mean no detectable antibodies were found in this test. Results are interpreted by your healthcare provider in the context of your medical history and clinical needs.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is primarily used in specialized blood banking settings to identify rare antibody profiles that may affect blood transfusion safety. While uncommon, certain antibody profiles can lead to hemolytic reactions, which are serious and require careful matching of blood products. Your provider will discuss the relevance of these findings in your care plan.
Short name
Brazilian Hemolytic Antibody IgG
Frequently asked questions
What does a positive result mean?
How often will I need this test?
Can I stop taking medications before this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy