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MIXING STUDIES: APTT (H184)

OUTSOURCE

MIXING STUDIES: APTT (H184)

Also Known As: APTT Mixing Study PTTK Mixing Study
₹2,960
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About This Test

Correction of a prolonged APTT with mixing generally implies a qualitative or quantitative abnormality of one or more clotting factors in the patient plasma. In contrast, failure of APTT to correct completely on mixing suggests the presence of inhibitor in the patient plasma eg. Lupus anticoagulants & inhibitors to specific clotting factors.

At a Glance

Home Collection
Available
Report TAT
1 Day
Category
OUTSOURCE

Preparation / Prerequisite

6 mL Whole blood in 2 Blue Top (Sodium Citrate) tubes. Mix thoroughly by inversion. Transport to Lab within 4 hours. If this is not possible, make PPP within 1 hour of collection as follows: Centrifuge sample at 3600 rpm for 15 min. & transfer supernatant to a clean plastic tube. Centrifuge this supernatant again at 3600 rpm for 15 min. & finally transfer the supernatant (PPP) to 1 labelled clean plastic screw capped vial. FREEZE IMMEDIATELY. Ship frozen. DO NOT THAW. Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory. It is recommended that patient discontinues Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating Physician.

Frequently Asked Questions

1. What Is outsourced test ?
Outsourced test are being done from Dr. Lal Path Lab. Charges and reporting time is same as of Dr. Lal Path Labs.
2. Any Preparation for the test ?
Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory. It is recommended that patient discontinues Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating Physician.
3. Why this test is important ?
Mixing Studies: APTT is important because it helps determine the cause of a prolonged APTT (Activated Partial Thromboplastin Time), distinguishing between a factor deficiency and a clotting inhibitor.

TAT Policy

The Turnaround Time (TAT) depends on the following factors:

  • Registration date and time
  • Type of scan or test
  • Scan time or sample collection time

In uncommon circumstances, TAT may be delayed due to test complexity or reasons beyond our control. You will be informed of the estimated TAT at the time of registration.

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