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ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST, in Delhi

The antithrombin activity/functional test measures how well antithrombin works in your blood. Book ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST in Punjabi Bagh, Delhi at GetVisit, NABL labs in Punjabi Bagh and Karol Bagh, home collection, same-day results and cashless OPD.

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SAMPLE TYPE
Blood
FASTING REQUIRED
No
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Male/Female
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24 hours
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20K+Customers
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What is a ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST Test in Delhi ?

What is ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST?

The antithrombin activity/functional test measures how well antithrombin works in your blood. Antithrombin is a protein that helps stop excessive clotting. Accurate organism identification is clinically essential , typhoid, dengue, and malaria each require different treatment, and the wrong empirical approach delays recovery.

What does ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST measure?

It acts as a natural brake on clotting factors to prevent unwanted clots. Low levels or poor function raise the risk of dangerous clots, such as deep vein thrombosis or pulmonary embolism. Doctors order it to investigate unexplained or recurrent clots. It is also used when someone has a family history of clotting disorders, before certain surgeries, or when choosing and monitoring blood-thinning treatments.

What symptoms suggest ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST may be needed?

A doctor may recommend ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST when a patient reports sudden fever (above 38.5°C), body aches and chills, persistent headache, nausea or vomiting, abdominal pain, skin rash, joint pain, and extreme fatigue. Sample collection for Delhi is available at labs and at home across Vasant Kunj, Dilshad Garden, and surrounding neighbourhoods.

How is ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST performed?

Whether you visit a walk-in lab in Vasant Kunj or book home collection in Dilshad Garden, Delhi, the process is the same. A trained phlebotomist performs a brief, sterile venipuncture, barcodes the sample for tracking, and dispatches it to the NABL lab. Your digital report is available in the GetVisit app the same day for most blood tests.

How accurate is ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST?

Every GetVisit sample from Vasant Kunj, Dilshad Garden, and across Delhi is processed at NABL-accredited labs that use internationally calibrated reference standards, pass external quality assessments, and maintain internal quality control at every shift. Reports are accepted by all major hospital networks, specialists, and insurance providers in India.

Are there any risks to ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST?

There are no significant risks beyond those of a standard blood draw. For your appointment in Vasant Kunj or Dilshad Garden, Delhi, drink 2 to 3 glasses of water beforehand and stay seated for 2 to 3 minutes afterwards, as vasovagal fainting (rare) is more likely if you are fasting, anxious, or dehydrated. Tell the phlebotomist if you have fainted during previous draws.

Did you know?

The test helps distinguish inherited from acquired causes of clotting problems and guides treatment decisions.

ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST Test Preparation in Delhi

Medication:

Tell the collection staff about any prescription medicines, supplements, or herbal products you're using, and keep taking them unless advised otherwise.

Fasting and diet:

Fasting is not necessary for this test. Drinking water freely beforehand actually makes sample collection easier.

Timing and slots:

Morning appointments suit most tests, when the body's markers are most stable. GetVisit home collection in Delhi starts at 6:00 AM, including Hauz Khas and South Extension.

What to bring:

Carry your test requisition, a government-issued ID, and any previous reports so results can be compared over time.

ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST Test Parameters in Delhi

Single standalone test:

ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST. Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST Test in Delhi ?

When does a doctor order ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST?

ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST is often included in thrombophilia or coagulation profiles. Doctors order it when patients have unexplained or recurrent blood clots, family history of clotting, unusual bleeding, or before starting certain blood thinners.

Who should get ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST done in Delhi?

Delhi's 30+ million population, India's most severe urban air pollution, one of the country's highest combined diabetes and cardiovascular disease burdens, extreme seasonal temperature range (from 3°C in January to 48°C in May), and monsoon infection risk across Dwarka, Rohini, Shahdara, and Uttam Nagar make regular preventive diagnostic testing an essential part of health management for all city residents. ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST testing is important for symptomatic patients, for confirming recovery, and for household members of a confirmed case. Testing early in Delhi's fever season prevents the complications that come from treating the wrong infection.

What conditions can ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST help diagnose?

It helps diagnose inherited or acquired antithrombin deficiency. Low results can be caused by genetic defects, liver disease, pregnancy, some medications, or severe illness. Family history of clots makes testing more important.

What do ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST results mean?

Lower or negative results: Laboratory evaluation includes a functional antithrombin assay (commonly anti–Factor Xa or thrombin‑based) and an antigen (immunologic) level; comparison distinguishes type I (low activity and antigen) from type II (low activity, normal antigen). Your doctor reads the value against the reference range on your report and your symptoms, and may repeat a borderline result to confirm it.

How often should ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST be repeated?

Infection tests are ordered when symptoms are present rather than on a fixed schedule. Repeat testing may be needed to confirm recovery, to check clearance after treatment, or if fever recurs. During Delhi's monsoon fever season, prompt retesting is advised for any new febrile illness.

What happens after ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST results are ready?

You will be notified the moment results are ready, usually the same day for routine tests. Open the report in the GetVisit app to see each value beside its reference range, share it with your doctor in a tap, or book a specialist consultation to talk it through.

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Frequently asked questions

For any unanswered questions, reach out to our support team via email. We will assist you as soon as possible

What is the antithrombin function test?plus

The antithrombin function test measures how well antithrombin, an endogenous anticoagulant that inhibits thrombin and factor Xa, works. It is a functional assay (chromogenic or clot‑based) reported as percent of normal activity. Low activity suggests congenital or acquired deficiency (increasing venous thrombosis risk) from genetic defects, liver disease, nephrotic syndrome, DIC, or effects of heparin; timing and anticoagulants can alter results.

What is the functional activity of antithrombin?plus

Antithrombin is a serine protease inhibitor that neutralizes activated coagulation factors, primarily thrombin (IIa) and factor Xa, and to a lesser extent IXa, XIa, and XIIa, by forming irreversible complexes. Its anticoagulant effect is markedly accelerated by heparin and endothelial glycosaminoglycans, helping limit clot propagation and maintain hemostatic balance; deficiency raises the risk of venous thrombosis.

What are the laboratory tests for antithrombin deficiency?plus

Laboratory evaluation includes a functional antithrombin assay (commonly anti–Factor Xa or thrombin‑based) and an antigen (immunologic) level; comparison distinguishes type I (low activity and antigen) from type II (low activity, normal antigen). Confirmatory SERPINC1 genetic testing can identify pathogenic variants. Testing should ideally be done off heparin/DOAC therapy and away from acute thrombosis or pregnancy; family screening may follow.

What does it mean when your antithrombin activity is low?plus

Low antithrombin activity means reduced levels or function of a natural blood‑clot inhibitor, raising the risk of abnormal clotting (especially venous thromboembolism). Causes include inherited deficiency or acquired states such as liver disease, nephrotic syndrome, disseminated intravascular coagulation, severe illness or heparin exposure. It can make heparin less effective. Management treats the cause and may include anticoagulation or antithrombin replacement.

Can I take my diabetes medication before ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST?plus

If you take insulin or diabetes tablets and are fasting for ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST, ask your doctor whether to delay the dose until after the sample is collected, to avoid a low-sugar episode.

Can ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST be combined with a health package?plus

Yes. ANTITHROMBIN ACTIVITY/FUNCTIONAL TEST can be booked on its own or as part of a broader preventive health package on GetVisit, which often works out more cost-effective. You can choose either option before payment.

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The whole thing was done from my phone sitting at home in Ashok Vihar. Simple blood draw, over in under two minutes. No long queues and no confusion. The report gave my specialist all the data needed to make a confident call. Saved me time and the hassle of going to a big hospital for a routine test.

Kulwinder Singh

Delhi

starstarstarstarstar

Arrived and was attended to within ten minutes. Something my doctor recommended at my last consultation. Booked a 7 AM slot before my Metro commute in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Rekha Dahiya

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. Blood draw was fast and painless. The GetVisit platform made it easy to pick a morning slot before office in Paschim Vihar. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Neha Sharma

Delhi

starstarstarstarstar

Flagged during a health camp at my RWA and my doctor confirmed it. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Patparganj. The phlebotomist was skilled and the draw was quick and painless. Reference ranges were highlighted which made it easy to read. Will definitely use GetVisit again.

Sourav Das

Delhi

starstarstarstarstar

Staying on top of my health since I turned 40. Everything was hygienic and done efficiently. Reports came on WhatsApp and email well within the promised time. The result was reassuring and we could proceed with the next steps. GetVisit has made health check-ups genuinely convenient in this city.

Lakhvinder Kaur

Delhi

starstarstarstarstar

Routine monitoring, I do a comprehensive panel every year. Quick blood test, nothing to stress about. GetVisit had same-day slots which is not easy to find in Delhi in Pitampura. Reference ranges were highlighted which made it easy to read. GetVisit has made health check-ups genuinely convenient in this city.

Ashish Tripathi

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Staying on top of my health since I turned 40. Simple blood draw, over in under two minutes. My doctor said it was one of the most clearly formatted reports he had seen. Will book through GetVisit next time without a second thought.

Rajiv Menon

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Catching this early made a real difference to my treatment. Already told my family and neighbours to use GetVisit.

Bhupinder Antil

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Dwarka, GetVisit makes it easy to find and book one. This test had been pending for a while and I finally got it done. Waiting area was tidy and the staff were calm and professional. Received the report on my phone and forwarded it to my doctor immediately. Will book through GetVisit next time without a second thought.

Saurabh Mishra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Booked online through GetVisit with no phone calls required in Rajouri Garden. The lab staff were courteous and I was not made to wait. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. Five stars. Everything went smoothly.

Deepa Rao

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Ashok Vihar. Simple blood draw, over in under two minutes. No long queues and no confusion. The report gave my specialist all the data needed to make a confident call. Saved me time and the hassle of going to a big hospital for a routine test.

Kulwinder Singh

Delhi

starstarstarstarstar

Arrived and was attended to within ten minutes. Something my doctor recommended at my last consultation. Booked a 7 AM slot before my Metro commute in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Rekha Dahiya

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. Blood draw was fast and painless. The GetVisit platform made it easy to pick a morning slot before office in Paschim Vihar. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Neha Sharma

Delhi

starstarstarstarstar

Flagged during a health camp at my RWA and my doctor confirmed it. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Patparganj. The phlebotomist was skilled and the draw was quick and painless. Reference ranges were highlighted which made it easy to read. Will definitely use GetVisit again.

Sourav Das

Delhi

starstarstarstarstar

Staying on top of my health since I turned 40. Everything was hygienic and done efficiently. Reports came on WhatsApp and email well within the promised time. The result was reassuring and we could proceed with the next steps. GetVisit has made health check-ups genuinely convenient in this city.

Lakhvinder Kaur

Delhi

starstarstarstarstar

Routine monitoring, I do a comprehensive panel every year. Quick blood test, nothing to stress about. GetVisit had same-day slots which is not easy to find in Delhi in Pitampura. Reference ranges were highlighted which made it easy to read. GetVisit has made health check-ups genuinely convenient in this city.

Ashish Tripathi

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Staying on top of my health since I turned 40. Simple blood draw, over in under two minutes. My doctor said it was one of the most clearly formatted reports he had seen. Will book through GetVisit next time without a second thought.

Rajiv Menon

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Catching this early made a real difference to my treatment. Already told my family and neighbours to use GetVisit.

Bhupinder Antil

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Dwarka, GetVisit makes it easy to find and book one. This test had been pending for a while and I finally got it done. Waiting area was tidy and the staff were calm and professional. Received the report on my phone and forwarded it to my doctor immediately. Will book through GetVisit next time without a second thought.

Saurabh Mishra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Booked online through GetVisit with no phone calls required in Rajouri Garden. The lab staff were courteous and I was not made to wait. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. Five stars. Everything went smoothly.

Deepa Rao

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Ashok Vihar. Simple blood draw, over in under two minutes. No long queues and no confusion. The report gave my specialist all the data needed to make a confident call. Saved me time and the hassle of going to a big hospital for a routine test.

Kulwinder Singh

Delhi

starstarstarstarstar

Arrived and was attended to within ten minutes. Something my doctor recommended at my last consultation. Booked a 7 AM slot before my Metro commute in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Rekha Dahiya

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. Blood draw was fast and painless. The GetVisit platform made it easy to pick a morning slot before office in Paschim Vihar. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Neha Sharma

Delhi

starstarstarstarstar

Flagged during a health camp at my RWA and my doctor confirmed it. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Patparganj. The phlebotomist was skilled and the draw was quick and painless. Reference ranges were highlighted which made it easy to read. Will definitely use GetVisit again.

Sourav Das

Delhi

starstarstarstarstar

Staying on top of my health since I turned 40. Everything was hygienic and done efficiently. Reports came on WhatsApp and email well within the promised time. The result was reassuring and we could proceed with the next steps. GetVisit has made health check-ups genuinely convenient in this city.

Lakhvinder Kaur

Delhi

starstarstarstarstar

Routine monitoring, I do a comprehensive panel every year. Quick blood test, nothing to stress about. GetVisit had same-day slots which is not easy to find in Delhi in Pitampura. Reference ranges were highlighted which made it easy to read. GetVisit has made health check-ups genuinely convenient in this city.

Ashish Tripathi

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Staying on top of my health since I turned 40. Simple blood draw, over in under two minutes. My doctor said it was one of the most clearly formatted reports he had seen. Will book through GetVisit next time without a second thought.

Rajiv Menon

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Catching this early made a real difference to my treatment. Already told my family and neighbours to use GetVisit.

Bhupinder Antil

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Dwarka, GetVisit makes it easy to find and book one. This test had been pending for a while and I finally got it done. Waiting area was tidy and the staff were calm and professional. Received the report on my phone and forwarded it to my doctor immediately. Will book through GetVisit next time without a second thought.

Saurabh Mishra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Booked online through GetVisit with no phone calls required in Rajouri Garden. The lab staff were courteous and I was not made to wait. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. Five stars. Everything went smoothly.

Deepa Rao

Delhi

starstarstarstarstar

The whole thing was done from my phone sitting at home in Ashok Vihar. Simple blood draw, over in under two minutes. No long queues and no confusion. The report gave my specialist all the data needed to make a confident call. Saved me time and the hassle of going to a big hospital for a routine test.

Kulwinder Singh

Delhi

starstarstarstarstar

Arrived and was attended to within ten minutes. Something my doctor recommended at my last consultation. Booked a 7 AM slot before my Metro commute in Rajendra Nagar. The report arrived with all parameters clearly listed. Already recommended this to three people in my RWA.

Rekha Dahiya

Delhi

starstarstarstarstar

This test had been pending for a while and I finally got it done. Blood draw was fast and painless. The GetVisit platform made it easy to pick a morning slot before office in Paschim Vihar. The report was detailed with reference ranges clearly marked. Already recommended this to three people in my RWA.

Neha Sharma

Delhi

starstarstarstarstar

Flagged during a health camp at my RWA and my doctor confirmed it. Delhi traffic is brutal so finding a nearby lab through GetVisit was a relief in Patparganj. The phlebotomist was skilled and the draw was quick and painless. Reference ranges were highlighted which made it easy to read. Will definitely use GetVisit again.

Sourav Das

Delhi

starstarstarstarstar

Staying on top of my health since I turned 40. Everything was hygienic and done efficiently. Reports came on WhatsApp and email well within the promised time. The result was reassuring and we could proceed with the next steps. GetVisit has made health check-ups genuinely convenient in this city.

Lakhvinder Kaur

Delhi

starstarstarstarstar

Routine monitoring, I do a comprehensive panel every year. Quick blood test, nothing to stress about. GetVisit had same-day slots which is not easy to find in Delhi in Pitampura. Reference ranges were highlighted which made it easy to read. GetVisit has made health check-ups genuinely convenient in this city.

Ashish Tripathi

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Staying on top of my health since I turned 40. Simple blood draw, over in under two minutes. My doctor said it was one of the most clearly formatted reports he had seen. Will book through GetVisit next time without a second thought.

Rajiv Menon

Delhi

starstarstarstarstar

GetVisit showed the prices upfront before I even selected a lab in Vaishali. Quick blood test, nothing to stress about. The team followed proper protocols throughout. Catching this early made a real difference to my treatment. Already told my family and neighbours to use GetVisit.

Bhupinder Antil

Delhi

starstarstarstarstar

If you need a reliable diagnostic lab in Dwarka, GetVisit makes it easy to find and book one. This test had been pending for a while and I finally got it done. Waiting area was tidy and the staff were calm and professional. Received the report on my phone and forwarded it to my doctor immediately. Will book through GetVisit next time without a second thought.

Saurabh Mishra

Delhi

starstarstarstarstar

My doctor thought it was a good idea and I agreed. Booked online through GetVisit with no phone calls required in Rajouri Garden. The lab staff were courteous and I was not made to wait. The prick was barely noticeable. This result changed my doctor's approach to my treatment for the better. Five stars. Everything went smoothly.

Deepa Rao

Delhi