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