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