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Dual Marker (Blood Test)
up to 50% off
up to 50% offDual Marker (Blood Test), in Chennai
DUAL MARKER (blood test) in Velachery, Chennai: GetVisit offers NABL-accredited labs across Velachery, Ashok Nagar, and the wider Chennai region. It measures liver enzymes (ALT, AST, ALP, GGT) and metabolites to assess liver health, detect hepatitis, or identify fatty liver disease and is recommended for adults with jaundice, dark urine, persistent fatigue, abdominal discomfort, or a history of hepatitis, alcohol use, or fatty liver. Same-day slots, home collection, cashless OPD.
Home Sample collection
Centre VisitSAMPLE TYPE
Blood
FASTING REQUIRED
No
GENDER
Female
GET REPORTS IN
34 hours
TEST INCLUDED
2
What is a Dual Marker (Blood Test) Test in Chennai ?
What is DUAL MARKER (blood test)?
The dual marker blood test measures two pregnancy-related substances made by the placenta: PAPP-A and free beta-hCG. These markers give information about placental function and early fetal development. Abnormal levels can raise suspicion for chromosomal conditions such as Down syndrome (Trisomy 21) and Edwards syndrome (Trisomy 18). It is one of the most commonly ordered blood tests worldwide and plays a key role in both preventive screening and the investigation of liver disease.
What does DUAL MARKER (blood test) measure?
Low PAPP-A can also signal risk of placental problems like preeclampsia or poor fetal growth. Doctors combine the dual marker result with maternal age and ultrasound findings to estimate risk and decide if further testing or closer monitoring is needed. It is usually done in the first trimester. Results are reported in International Units per litre (U/L). Mild elevations (2–3× normal) typically indicate reversible changes. Values above 10× normal suggest acute injury requiring urgent investigation.
What symptoms suggest DUAL MARKER (blood test) may be needed?
A doctor may order DUAL MARKER (blood test) when a patient reports fatigue or persistent low energy, yellowing of the skin or eyes (jaundice), dark amber or tea-coloured urine, pale or clay-coloured stools, upper right abdominal discomfort, nausea, loss of appetite, abdominal swelling, and unexplained weight loss. In Chennai, residents of Kodambakkam and Saidapet commonly present for this test after noticing these symptoms during a routine or preventive consultation.
How is DUAL MARKER (blood test) performed?
GetVisit home collection in Kodambakkam or Saidapet, Chennai: a certified phlebotomist arrives at your address at your chosen slot (available from 6:00 AM), brings all sterile single-use equipment, collects the sample, and dispatches it to the NABL-accredited lab. Your digital report is delivered to your GetVisit profile the same day for most standard tests.
How accurate is DUAL MARKER (blood test)?
Rare causes of inaccurate results include: very high biotin supplementation (interferes with immunoassays), haemolysed samples from difficult venipuncture, or failure to fast when fasting was required. Following preparation instructions and using a trained phlebotomist minimises these risks.
Are there any risks to DUAL MARKER (blood test)?
This is a low-risk procedure. The only intervention is the blood draw. Side effects are limited to a brief pinch and an occasional small bruise at the puncture site, which resolves in 24 to 48 hours without treatment. Patients on anticoagulants should hold light pressure for 3 to 5 minutes after the draw.
Dual Marker (Blood Test) Test Preparation in Chennai
Fasting and dietary instructions:
No fasting required. Eat and drink normally before the appointment. Stay well hydrated , drink 2 to 3 glasses of water before the draw. Avoid alcohol and vigorous exercise for 12 hours before collection.
Medication guidance:
Continue all regularly prescribed medication unless your doctor has specifically instructed otherwise. Inform lab staff about all prescription drugs, supplements, herbal preparations, and protein powders you are taking.
What to bring:
Bring your doctor's prescription or test requisition, a valid photo ID, and your corporate health insurance card if using cashless OPD. Wear short sleeves or clothing with sleeves that roll up easily.
Timing:
Book the earliest available morning slot. For fasting tests, an overnight fast followed by a morning draw represents the optimal balance between adequate fasting duration and test accuracy.
Dual Marker (Blood Test) Test Parameters in Chennai
PAPP-A (Pregnancy-Associated Plasma Protein A), Free beta-hCG (free beta human chorionic gonadotropin)
Why Take a Dual Marker (Blood Test) Test in Chennai ?
When does a doctor order DUAL MARKER (blood test)?
Doctors order DUAL MARKER (blood test) when a patient reports jaundice, dark urine, pale stools, persistent fatigue, nausea, or upper right abdominal pain. It is also routinely ordered before starting hepatotoxic medications (statins, anti-TB drugs, anticonvulsants) and periodically during their use.
Who should get DUAL MARKER (blood test) done in Chennai?
Hepatitis B prevalence in Tamil Nadu is estimated at around 3 to 4%. NAFLD is also rising rapidly among Chennai's large young professional population due to sedentary IT-sector jobs, high-carbohydrate diets, and rising obesity rates in areas like OMR and T Nagar. DUAL MARKER (blood test) is a two-marker screening often offered in the first trimester as part of prenatal screening together with nuchal translucency ultrasound. Doctors order it for routine prenatal risk assessment, when maternal age is advanced, or after abnormal ultrasound findings. NAFLD affects an estimated 25 to 35% of India's urban adults , the majority unaware. Regular liver testing in Chennai's residential areas including Chromepet and Anna Nagar enables lifestyle intervention before irreversible scarring occurs. Patients recovering from hepatitis, those in alcohol recovery, and anyone with persistently unexplained fatigue also benefit from regular liver monitoring.
What conditions can DUAL MARKER (blood test) help diagnose?
Very high ALT and AST (10–50× normal) with normal ALP suggests acute hepatocellular injury , viral hepatitis, drug toxicity, or ischaemia. Predominantly elevated ALP and GGT with modest transaminases suggests bile duct obstruction or primary biliary cholangitis. An AST:ALT ratio above 2 suggests alcoholic hepatitis. Persistently low albumin with elevated bilirubin indicates advanced cirrhosis.
What do DUAL MARKER (blood test) results mean?
ALT above 56 U/L or AST above 40 U/L signals hepatocyte stress. The pattern matters: ALT greater than AST typically suggests NAFLD or viral hepatitis. An AST:ALT ratio above 2 points to alcoholic hepatitis. High ALP with normal transaminases suggests bile duct disease rather than liver cell damage. Low albumin alongside high bilirubin indicates serious loss of liver function.
How often should DUAL MARKER (blood test) be repeated?
Adults with no liver risk factors and a previously normal result: annually. Patients with NAFLD or treated hepatitis: every 6 months. Patients on hepatotoxic medication: baseline before starting, then at 1 month, 3 months, and every 6 months during treatment. Patients with active liver disease: at intervals specified by their gastroenterologist.
What happens after DUAL MARKER (blood test) results are ready?
Your GetVisit digital report is delivered to your phone as soon as results are authorised. Share it directly with your doctor via the app, or book a consultation with a GetVisit-verified specialist on the same platform. Critical values outside a safe range are flagged by the laboratory for urgent clinical review.
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Frequently asked questions
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Can alcohol or medication affect liver test results?
What are the normal ranges for liver enzymes?
What symptoms suggest I need DUAL MARKER (blood test)?
Is home collection available for DUAL MARKER (blood test) in Tambaram, Chennai?
What is the price of DUAL MARKER (blood test) in Chennai?
How long does it take to get DUAL MARKER (blood test) results in Chennai?
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Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.