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 Vadodara 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 Vadodara center. Pay at the centre with no advance payment. Book online or visit us.
Cardiolipin Antibody (IgM) in Vadodara
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 Vadodara
HIV 1 & 2 Antibodies, Serum-Elisa Method in Vadodara
Dengue IgG, IgM Antibodies + NS1 Antigen-Rapid, Serum in Vadodara
Lipoprotein A (Lp A), Serum in Vadodara
Erythrocyte Sedimentation Rate (ESR) in Vadodara
Thyroxine Total (T4), Serum in Vadodara
Triiodothyronine Total (T3), Serum in Vadodara
CA 19.9 (Pancreatic Cancer Marker), Serum in Vadodara
NIPT with Microdeletions in Vadodara
NIPT Basic in Vadodara
Complete Blood Picture (CBP) in Vadodara
Serum Phosphorus Test in Vadodara
TIBC in Vadodara
Urology Profile in Vadodara
Beta HCG Free, Serum (Pregnancy Test) in Vadodara
Viral Screening in Vadodara
AFP Test in Vadodara
Microalbuminuria test in Vadodara
Diabetes Testing (FBS + PLBS) in Vadodara
Antithrombin III in Vadodara
D-dimer test in Vadodara
Creatine Kinase (CK) Test in Vadodara
AST Test in Vadodara
Cardiac Markers in Vadodara
Pap Smear - LBC in Vadodara
DVT Profile in Vadodara
Bleeding Time and Clotting Time (BT & CT) in Vadodara
Estradiol Test in Vadodara
hs-CRP Test in Vadodara
Alkaline Phosphatase (ALP) Test in Vadodara
Fertility Profile in Vadodara
Albumin blood test in Vadodara
Troponin T in Vadodara
Infertility Profile Extended in Vadodara
Electrolyte Panel in Vadodara
Anticardiolipin Antibodies (IgG) in Vadodara
PSA Test in Vadodara
FSH Test in Vadodara
STD Panel in Vadodara
PCOS Profile in Vadodara
Serum Iron Test in Vadodara
Cardiac Profile-III in Vadodara
Plasma Fibrinogen Test in Vadodara
HBsAg Test in Vadodara
Cardiac Biomarker Test in Vadodara
Herpes Simplex Virus (HSV) Types 1 and 2 Antibody Test in Vadodara
Antenatal Profile in Vadodara
Activated Partial Thromboplastin Time in Vadodara
Lipid Panel in Vadodara
Fine Needle Aspiration Cytology in Vadodara
CRP test in Vadodara
Joint Pain / SLE / Collagen Profile-I in Vadodara
PAPP-A Test in Vadodara
Insulin Test in Vadodara
Triple Screen Test in Vadodara
Anti-HCV Test in Vadodara
Basic Metabolic Panel (BMP) in Vadodara
Very low-density lipoprotein (VLDL) test in Vadodara
Free Testosterone in Vadodara
Triglycerides Test in Vadodara
Quad Screen in Vadodara
Folic Acid in Vadodara
Urinalysis in Vadodara
CEA Test in Vadodara
Ferritin Test in Vadodara
Transferrin Saturation% in Vadodara
Protein C Antigen in Vadodara
Alpha Feto Protein (AFP) - Fluid in Vadodara
CPK (MB) Test in Vadodara
Lupus Anticoagulant Testing in Vadodara
Reticulocyte Count in Vadodara
Infertility Profile-Basic in Vadodara
Beta hCG Test in Vadodara
DIABETIC PROFILE in Vadodara
LH Test in Vadodara
Anti-Müllerian Hormone (AMH) Test in Vadodara
Bile Salts and Bile Pigments, Urine in Vadodara
HbA1c in Vadodara
Vitamin D (1,25-Dihydroxyvitamin D) in Vadodara
Liver Function Test (LFT) in Vadodara
Anemia Profile Basic in Vadodara
Rheumatoid Factor in Vadodara
Widal Test in Vadodara
Bilirubin blood test in Vadodara
Inhibin A, Tumor Marker, Serum in Vadodara
Thyroid Function Tests in Vadodara
eGFR in Vadodara
Menopause Profile in Vadodara
EXTENDED DIABETIC PROFILE in Vadodara
LDH Test in Vadodara
Total Cholesterol Test in Vadodara
Random Blood Sugar Test in Vadodara
Total Protein Test in Vadodara
RPR test in Vadodara
Anti-dsDNA Test in Vadodara
HDL Cholesterol in Vadodara
Blood Type Test in Vadodara
ASO Titre in Vadodara
Blood Urea(Serum) Test in Vadodara
Postprandial Blood Sugar Test in Vadodara
Back Pain Profile in Vadodara
ANA test in Vadodara
Serum Creatinine Test in Vadodara
PT/INR Test in Vadodara
Fasting Blood Sugar Test in Vadodara
Extended Anemia Profile III Executive in Vadodara
Kidney Function Test (Renal Profile) in Vadodara
Serum Magnesium Test in Vadodara
Well-woman exam in Vadodara
LDL cholesterol test in Vadodara
Prolactin Test in Vadodara
Malaria Blood Smear in Vadodara
Liver Function Test (+GGT) in Vadodara
TPHA Test in Vadodara
Hepatitis B Surface Antigen (HBsAg) Test in Vadodara
Antenatal Profile 2 in Vadodara
TSH Test in Vadodara
Cardiac Catheterization in Vadodara
Cardiolipin Antibody (IgM) in Vadodara
Master Health Checkup (BL+RADIO) in Vadodara
Calcium Profile in Vadodara
Coagulation Profile in Vadodara
Uric Acid Test in Vadodara
Vitamin D (25 - Hydroxy Vitamin D, Serum) in Vadodara
Globulin Test in Vadodara
Fever Profile Test in Vadodara
Connective Tissue Disease Profile in Vadodara
Calcium Blood Test in Vadodara
IHC in Vadodara
Estriol Unconjugated (E3) Test in Vadodara
Blood Typing in Vadodara
Vitamin B12 Test in Vadodara
Serum Cortisol in Vadodara
Double Marker Test in Vadodara
Pap Smear, Conventional in Vadodara
Protein S Activity in Vadodara
Non-Invasive Prenatal Testing (NIPT) in Vadodara
whole exome sequencing in Vadodara
Newborn Screening (NBS) in Vadodara
Apolipoprotein A1 (Apo A1), Serum in Vadodara
Apolipoprotein B (Apo B), Serum in Vadodara
Renal Function Test (RFT) in Vadodara