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