What this test is
The test measures how long blood takes to clot after a specific trigger. A prolonged result suggests missing clotting factors, inhibitors or anticoagulant medication.
Category: Clinical Chemistry
Partial Thromboplastin Time (PTT)
PTT is a clotting test that assesses the intrinsic and common pathways. It screens for bleeding disorders and monitors certain anticoagulant treatments.
What it is used for, and who should test
- Screening for abnormal bleeding or bruising before surgery and procedures
- Monitoring heparin in patients who need controlled anticoagulation
- Investigating some causes of thrombosis
Sample and preparation
- Sample
- 2-3 mL of blood in a 3.2% sodium citrate tube (light blue top), delivered promptly
- Preparation
- No fasting required. Tell the staff about anticoagulant medicines or unusual bleeding.
Where to get tested
Samples are collected and results issued at S.F. Laboratory, the in-house laboratory of BK5 Med Health Clinic in Don Hua Lo, Chon Buri. No appointment is needed; walk in during opening hours.
- Sample collection at BK5 Clinic, 149/6-7 Don Hua Lo, Chon Buri District, Chon Buri 20000
- Open Monday-Friday 08.30-20.00 and Saturday 08.30-17.00
- Ask questions or book ahead on LINE @824xsgsj or call 063-223-6161
The information on this page is general knowledge to support your decisions and is not personal medical advice. Interpreting results and planning treatment requires assessment by a doctor. Please consult our medical staff before deciding on testing or treatment.
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Clinical Chemistry
Frequently asked questions about this test
How do PTT and PT differ?
They test different pathways. PTT is used to monitor heparin and screen for bleeding tendency, while PT is usually reported as INR and used to monitor warfarin.
What happens if the result is abnormal?
A doctor reviews your medicines and conditions, and may order clotting factor tests to find the cause and plan treatment.
How should I prepare for Partial Thromboplastin Time (PTT)?
No fasting required. Tell the staff about anticoagulant medicines or unusual bleeding.
How long do results take?
About 1 day, depending on the laboratory workload that day. Our staff will confirm the collection time when you are served.
Where can I have this test done?
Samples are collected and results issued at S.F. Laboratory, the in-house laboratory of BK5 Med Health Clinic in Don Hua Lo, Chon Buri. No appointment is needed; walk in during opening hours.
How much does Partial Thromboplastin Time (PTT) cost?
Prices are not shown on this website. Ask for pricing and packages on LINE @824xsgsj or call 063-223-6161.
Contact us
Book a visit or ask a question
Add us on LINE @824xsgsj to ask about tests and pricing, or fill in the form below and our team will get back to you as soon as possible.
Phone
063-223-6161LINE Official
@824xsgsj
Address
149/6-7 Don Hua Lo, Chon Buri District, Chon Buri 20000, Thailand
Get directions (Google Maps)Opening hours
- Monday - Friday
- 08.30 - 20.00
- Saturday
- 08.30 - 17.00