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