Also called: Anticardiolipin, aCL antibody, Phospholipid antibody test
Report
{context.blood_test.parameters} Parameters
What it checks
Report delivery
Test for
Age group
Commonly advised for
Anti-Cardiolipin Antibodies (IgM) are autoantibodies associated with Antiphospholipid Syndrome (APS), a condition that increases the risk of abnormal blood clots and recurrent pregnancy loss.
This test helps identify autoimmune-related clotting disorders by detecting these specific antibodies in the blood. Persistent positivity on repeat testing indicates APS, while transient positivity may occur during infections.
Why Is This Test Recommended?
Anti-Cardiolipin Antibodies (IgM) testing is recommended to evaluate unexplained thrombosis, investigate recurrent miscarriages, and diagnose autoimmune clotting disorders. It is used to assess stroke or deep vein thrombosis (DVT) in young patients without traditional risk factors.
The test helps identify individuals at risk for thrombotic complications and pregnancy-related complications associated with Antiphospholipid Syndrome.
Symptoms or Conditions That May Require This Test
You may need this test if you experience:
One or more unexplained blood clots in arteries or veins including leg swelling, leg pain, sudden breathlessness, or chest pain.
Recurrent miscarriages particularly one or more unexplained losses of a normal foetus beyond the 10th gestational week, three or more spontaneous abortions before the 10th week, or one or more premature births before the 34th week due to eclampsia or placental insufficiency
Symptoms of SLE or other systemic autoimmune conditions including a butterfly-shaped facial rash, joint pain, unexplained fever, photosensitivity, or renal involvement where antiphospholipid antibody co-existence needs to be assessed
Livedo reticularis a mottled, net-like purplish skin discoloration on the arms or legs which is a recognized non-criterial clinical feature associated with antiphospholipid antibodies
Unexplained thrombocytopenia (low platelet count), cardiac valvular disease, or neurological symptoms including migraines, seizures, or transient ischaemic attacks, where an autoimmune thrombotic mechanism requires investigation
Bleeding from the nose or gums, heavy menstrual periods, or unexplained bruising paradoxically, some patients with APS experience bleeding complications despite the prothrombotic nature of the condition, due to associated thrombocytopenia
Advantages of Cardiolipin IgM Screening
Early Detection: It can identify a clotting risk before a major event like a stroke occurs.
Specific Diagnosis: Helps distinguish between "Primary APS" (standalone) and "Secondary APS" (linked to Lupus).
Informed Pregnancy Planning: Allows for specialized care and medications to help maintain a healthy pregnancy in women with a history of loss.
How Is the Test Performed and Prepared For?
A blood sample is collected through standard venipuncture for laboratory analysis. No fasting is required for this test. Avoid testing during acute infection as it may cause transient false-positive results.
If initial results are positive, repeat testing after 12 weeks is essential to confirm persistent positivity before diagnosing Antiphospholipid Syndrome.
What Do the Results Mean?
Results are measured in MPL units. While ranges vary slightly by lab, general interpretations are:
Result Level,Value (MPL U/mL),Interpretation
Negative,< 15.0,Normal; no significant IgM antibodies detected.
Weak Positive,15.0 – 40.0,Possible temporary elevation due to recent infection.
Positive,> 40.0,High risk for APS or associated autoimmune conditions.
Lifestyle Tips to Manage Antiphospholipid Antibodies
While you cannot "flush out" antibodies through diet alone, you can significantly reduce the risk of the blood clots they cause. If your Cardiolipin IgM levels are elevated, focus on these heart-healthy and circulation-friendly habits:
Stay Active: Regular walking (30 minutes daily) keeps blood flowing and prevents clots from forming in the legs.
Hydrate Well: Dehydration makes blood "thicker." Aim for 2–3 liters of water daily.
Quit Smoking: Smoking damages blood vessel walls and drastically increases the risk of stroke and DVT when combined with these antibodies.
Move on Long Flights/Drives: If traveling for more than 4 hours, wear compression stockings and perform ankle pumps every hour.
Manage Estrogen Intake: Discuss birth control or Hormone Replacement Therapy (HRT) with your doctor, as estrogen can further increase clotting risks.
Healthy Weight: Maintaining a healthy BMI reduces the pressure on your veins and lowers overall inflammation.
Frequently Asked Questions (FAQs)
Is one positive test enough?
No, repeat needed; APS diagnosis requires positive results on at least two occasions, 12 weeks or more apart, to confirm persistent antibody presence.
Is APS treatable?
Yes, with anticoagulation; treatment typically involves anticoagulant medications like aspirin or warfarin to prevent clotting, with specific protocols during pregnancy.
Can infections cause false positives?
Yes; acute viral or bacterial infections can temporarily elevate antibody levels, which is why confirmation testing after recovery is important.
Is this test used in pregnancy?
Yes; it is commonly ordered in cases of recurrent miscarriage, unexplained pregnancy loss, or complications like preeclampsia or placental insufficiency.
Is lifelong treatment required?
Sometimes; patients with confirmed APS and history of thrombosis typically require long-term anticoagulation, while others may need treatment only during high-risk periods.
This test looks for a type of antibody linked with abnormal clotting. It is advised if:
Tapadia Diagnostic Centre in Bhubaneswar offers NABL-accredited Cardiolipin Antibody (IgM) test from a Blood sample(s). Anticardiolipin, aCL antibody, Phospholipid antibody test is also prescribed for Blood clots, miscarriages, chest pain, swelling. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Bhubaneswar center. Pay at the centre with no advance payment. Book online or visit us.
Cardiolipin Antibody (IgM) in Bhubaneswar
Rated 4.6 on Google
From 6,477 patient reviews across our Hyderabad centres.
Every report, kept for you
Past reports stay in your account and can be downloaded again.
NABL accredited
Every result reviewed by a qualified pathologist before it reaches you.
Four decades of practice
A family-run diagnostic centre, trusted by doctors and households since 1989


Cardiolipin Antibody (IgM) in Vijayawada
Cardiolipin Antibody (IgM) in Visakhapatnam
Cardiolipin Antibody (IgM) in Ahmedabad
Cardiolipin Antibody (IgM) in Bengaluru
Cardiolipin Antibody (IgM) in Mumbai
Cardiolipin Antibody (IgM) in Secunderabad
Cardiolipin Antibody (IgM) in Karimnagar
Cardiolipin Antibody (IgM) in Hyderabad
Cardiolipin Antibody (IgM) in Warangal
Cardiolipin Antibody (IgM) in Chhatrapati Sambhajinagar (Aurangabad)
Master Health Checkup (Blood) in Bhubaneswar
HIV 1 & 2 Antibodies, Serum-Elisa Method in Bhubaneswar
Dengue IgG, IgM Antibodies + NS1 Antigen-Rapid, Serum in Bhubaneswar
Lipoprotein A (Lp A), Serum in Bhubaneswar
Erythrocyte Sedimentation Rate (ESR) in Bhubaneswar
Thyroxine Total (T4), Serum in Bhubaneswar
Triiodothyronine Total (T3), Serum in Bhubaneswar
CA 19.9 (Pancreatic Cancer Marker), Serum in Bhubaneswar
NIPT with Microdeletions in Bhubaneswar
NIPT Basic in Bhubaneswar
Complete Blood Picture (CBP) in Bhubaneswar
Serum Phosphorus Test in Bhubaneswar
TIBC in Bhubaneswar
Urology Profile in Bhubaneswar
Beta HCG Free, Serum (Pregnancy Test) in Bhubaneswar
Viral Screening in Bhubaneswar
AFP Test in Bhubaneswar
Microalbuminuria test in Bhubaneswar
Diabetes Testing (FBS + PLBS) in Bhubaneswar
Antithrombin III in Bhubaneswar
D-dimer test in Bhubaneswar
Creatine Kinase (CK) Test in Bhubaneswar
AST Test in Bhubaneswar
Cardiac Markers in Bhubaneswar
Pap Smear - LBC in Bhubaneswar
DVT Profile in Bhubaneswar
Bleeding Time and Clotting Time (BT & CT) in Bhubaneswar
Estradiol Test in Bhubaneswar
hs-CRP Test in Bhubaneswar
Alkaline Phosphatase (ALP) Test in Bhubaneswar
Fertility Profile in Bhubaneswar
Albumin blood test in Bhubaneswar
Troponin T in Bhubaneswar
Infertility Profile Extended in Bhubaneswar
Electrolyte Panel in Bhubaneswar
Anticardiolipin Antibodies (IgG) in Bhubaneswar
PSA Test in Bhubaneswar
FSH Test in Bhubaneswar
STD Panel in Bhubaneswar
PCOS Profile in Bhubaneswar
Serum Iron Test in Bhubaneswar
Cardiac Profile-III in Bhubaneswar
Plasma Fibrinogen Test in Bhubaneswar
HBsAg Test in Bhubaneswar
Cardiac Biomarker Test in Bhubaneswar
Herpes Simplex Virus (HSV) Types 1 and 2 Antibody Test in Bhubaneswar
Antenatal Profile in Bhubaneswar
Activated Partial Thromboplastin Time in Bhubaneswar
Lipid Panel in Bhubaneswar
Fine Needle Aspiration Cytology in Bhubaneswar
CRP test in Bhubaneswar
Joint Pain / SLE / Collagen Profile-I in Bhubaneswar
PAPP-A Test in Bhubaneswar
Insulin Test in Bhubaneswar
Triple Screen Test in Bhubaneswar
Anti-HCV Test in Bhubaneswar
Basic Metabolic Panel (BMP) in Bhubaneswar
Very low-density lipoprotein (VLDL) test in Bhubaneswar
Free Testosterone in Bhubaneswar
Triglycerides Test in Bhubaneswar
Quad Screen in Bhubaneswar
Folic Acid in Bhubaneswar
Urinalysis in Bhubaneswar
CEA Test in Bhubaneswar
Ferritin Test in Bhubaneswar
Transferrin Saturation% in Bhubaneswar
Protein C Antigen in Bhubaneswar
Alpha Feto Protein (AFP) - Fluid in Bhubaneswar
CPK (MB) Test in Bhubaneswar
Lupus Anticoagulant Testing in Bhubaneswar
Reticulocyte Count in Bhubaneswar
Infertility Profile-Basic in Bhubaneswar
Beta hCG Test in Bhubaneswar
DIABETIC PROFILE in Bhubaneswar
LH Test in Bhubaneswar
Anti-Müllerian Hormone (AMH) Test in Bhubaneswar
Bile Salts and Bile Pigments, Urine in Bhubaneswar
HbA1c in Bhubaneswar
Vitamin D (1,25-Dihydroxyvitamin D) in Bhubaneswar
Liver Function Test (LFT) in Bhubaneswar
Anemia Profile Basic in Bhubaneswar
Rheumatoid Factor in Bhubaneswar
Widal Test in Bhubaneswar
Bilirubin blood test in Bhubaneswar
Inhibin A, Tumor Marker, Serum in Bhubaneswar
Thyroid Function Tests in Bhubaneswar
eGFR in Bhubaneswar
Menopause Profile in Bhubaneswar
EXTENDED DIABETIC PROFILE in Bhubaneswar
LDH Test in Bhubaneswar
Total Cholesterol Test in Bhubaneswar
Random Blood Sugar Test in Bhubaneswar
Total Protein Test in Bhubaneswar
RPR test in Bhubaneswar
Anti-dsDNA Test in Bhubaneswar
HDL Cholesterol in Bhubaneswar
Blood Type Test in Bhubaneswar
ASO Titre in Bhubaneswar
Blood Urea(Serum) Test in Bhubaneswar
Postprandial Blood Sugar Test in Bhubaneswar
Back Pain Profile in Bhubaneswar
ANA test in Bhubaneswar
Serum Creatinine Test in Bhubaneswar
PT/INR Test in Bhubaneswar
Fasting Blood Sugar Test in Bhubaneswar
Extended Anemia Profile III Executive in Bhubaneswar
Kidney Function Test (Renal Profile) in Bhubaneswar
Serum Magnesium Test in Bhubaneswar
Well-woman exam in Bhubaneswar
LDL cholesterol test in Bhubaneswar
Prolactin Test in Bhubaneswar
Malaria Blood Smear in Bhubaneswar
Liver Function Test (+GGT) in Bhubaneswar
TPHA Test in Bhubaneswar
Hepatitis B Surface Antigen (HBsAg) Test in Bhubaneswar
Antenatal Profile 2 in Bhubaneswar
TSH Test in Bhubaneswar
Cardiac Catheterization in Bhubaneswar
Cardiolipin Antibody (IgM) in Bhubaneswar
Master Health Checkup (BL+RADIO) in Bhubaneswar
Calcium Profile in Bhubaneswar
Coagulation Profile in Bhubaneswar
Uric Acid Test in Bhubaneswar
Vitamin D (25 - Hydroxy Vitamin D, Serum) in Bhubaneswar
Globulin Test in Bhubaneswar
Fever Profile Test in Bhubaneswar
Connective Tissue Disease Profile in Bhubaneswar
Calcium Blood Test in Bhubaneswar
IHC in Bhubaneswar
Estriol Unconjugated (E3) Test in Bhubaneswar
Blood Typing in Bhubaneswar
Vitamin B12 Test in Bhubaneswar
Serum Cortisol in Bhubaneswar
Double Marker Test in Bhubaneswar
Pap Smear, Conventional in Bhubaneswar
Protein S Activity in Bhubaneswar
Non-Invasive Prenatal Testing (NIPT) in Bhubaneswar
whole exome sequencing in Bhubaneswar
Newborn Screening (NBS) in Bhubaneswar
Apolipoprotein A1 (Apo A1), Serum in Bhubaneswar
Apolipoprotein B (Apo B), Serum in Bhubaneswar
Renal Function Test (RFT) in Bhubaneswar