Test profile

Activated Partial Thromboplastin Time - APTT/ PTTK

Key Aspects of the aPTT Test Purpose: The test helps identify unexplained bleeding, bruising, thrombosis, or pre-surgical risk. Normal Range: Typically 25 to 35 seconds, although this varies slightly by laboratory.…

Tests included: 3
Sample: Sodium Citrate Plasma
Preparation: No fasting needed
Collection: At your home

Tests included (3)

Activated Partial Thromboplastin Time - APTT/ PTTK (Patient value)DetailsHide
The Activated Partial Thromboplastin Time (APTT/PTTK) measures how long it takes for your blood to clot. A standard normal range is generally between 25 and 35 seconds, though exact reference intervals can vary slightly depending on the specific laboratory and testing reagents used.
Activated Partial Thromboplastin Time - APTT/ PTTK (Control value)DetailsHide
The aPTT (Activated Partial Thromboplastin Time) control value is a standardized baseline reference time used in a laboratory to ensure the clotting test is accurate. It represents the clotting time of normal, healthy plasma. If your blood takes significantly longer to clot than the control, it may indicate a clotting factor deficiency or medication effect.
APTT Patient / Control RatioDetailsHide
The APTT (Activated Partial Thromboplastin Time) Ratio (often called APTR) divides a patient's clotting time in seconds by the laboratory’s standard "normal" control time. It accounts for lab-specific reagents. For patients not on blood thinners, a normal ratio is typically between 0.8 and 1.2.

About this test profile

Key Aspects of the aPTT Test

Purpose: The test helps identify unexplained bleeding, bruising, thrombosis, or pre-surgical risk.
Normal Range: Typically 25 to 35 seconds, although this varies slightly by laboratory.
Monitoring Heparin: For patients on unfractionated heparin, therapeutic aPTT levels are usually 1.5–2.5 times the normal control value.
High aPTT Results: A high result indicates the blood is taking longer to clot, which may be caused by heparin therapy, liver disease, or clotting factor deficiencies (such as Hemophilia).
Factors Measured: aPTT assesses factors XII, XI, IX, VIII, X, V, II (prothrombin), and I (fibrinogen).

Preparation

No fasting is needed for this test. You can book any available slot.
Keep your doctor’s prescription or test request handy if you have one, and take regular medicines as your doctor has advised.
Tell the sample collector if you take blood thinners, and wear a sleeve that rolls above the elbow.

How home sample collection works

1
Choose your tests
Add single tests or a package to the cart and check fasting needs.
2
Pick a collection slot
Half-hour slots from 30 minutes ahead, up to 10 days out. Pay online.
3
A sample collector visits
They confirm the visit with a one-time code, then take the sample.
4
Report in your account
The lab uploads the report and you are notified to download it.

Where we collect samples at home

Lab tests with home sample collection reach 70 Hyderabad pin codes today, across these areas:

Coverage differs street to street and grows as professionals join. Check your pin code to see what reaches your address.

Frequently asked questions

How much does Activated Partial Thromboplastin Time - APTT/ PTTK cost in Hyderabad?

Activated Partial Thromboplastin Time - APTT/ PTTK costs ₹480 on Aish Health in Hyderabad, down from ₹799. There is no separate home collection fee; any GST or busy-hour charge is shown before you pay.

Do I need to fast before Activated Partial Thromboplastin Time - APTT/ PTTK?

No, fasting is not needed for this test, so you can book any available slot.

What sample is collected for Activated Partial Thromboplastin Time - APTT/ PTTK?

Sodium Citrate Plasma sample is collected at your home by a sample collector.

How many tests are in Activated Partial Thromboplastin Time - APTT/ PTTK?

Activated Partial Thromboplastin Time - APTT/ PTTK includes 3 tests, all listed on this page. Compare them with what your doctor has asked for before booking.

Can I cancel a lab test booking?

Yes. Cancel before a sample collector accepts or more than 1 hour before the slot for a full refund. Within 1 hour of the slot there is no refund, and once the sample collector is on the way the booking can no longer be cancelled.

Can I book tests for a family member?

Yes. Add them as a family member in your account and choose them as the patient when booking, so the report is filed under their name.

Can I pay cash when the sample is collected?

No. Lab tests booked on the website or app are paid online when you book, by card, UPI or your Aish Health wallet.

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