Antibody Titration to Detect Anti-Cardiolipin Antibodies (IgG)
This test measures the level of antibodies in your blood that may be linked to certain autoimmune conditions or blood clotting disorders. It helps assess potential risks for conditions like lupus or antiphospholipid syndrome.
["This test helps identify possible autoimmune or clotting-related conditions by detecting specific antibodies in your blood."]
Key facts at a glance
- LOINC
- 5241-5
- Short code
- LCMV Ab Titr Ser CF
- Synonyms
- LCMV Ab Titr Ser CF
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- comp-fix
- 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 symptoms like unexplained fatigue, joint pain, or a history of blood clots. It may also be used to monitor conditions such as lupus or other autoimmune diseases where antibody activity is suspected.
What to Expect Before the Test
No special preparation is needed for this blood test. You may have a small needle inserted into your arm to draw blood, which usually takes a few minutes. If you’re on blood thinners, let your provider know before the test.
What the Results Mean
Results are qualitative (positive or negative) and indicate whether your body has produced these antibodies. Elevated levels may suggest an autoimmune response or increased risk of clotting, but results alone don’t diagnose a condition.
Common Conditions Linked to Positive Results
Positive results may be associated with autoimmune diseases like lupus, antiphospholipid syndrome, or other connective tissue disorders. They can also appear in people without symptoms, so further testing may be needed for diagnosis.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test helps identify the presence of anti-cardiolipin antibodies, which are linked to autoimmune conditions and blood clotting disorders. While elevated levels may raise concern, they often require additional evaluation to determine the cause and guide treatment.
Short name
Anti-Cardiolipin Antibody Screening (IgG)
Frequently asked questions
What does a positive result mean for my health?
Do I need to fast before this test?
How long will it take to get my results?
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