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