Ordering the Prothrombin Time – PT + Partial Thromboplastin Time – PTT Test
Ordering the Prothrombin Time – PT + Partial Thromboplastin Time – PTT Test helps assess how well your blood clots. This test is important for those who need to monitor their blood’s clotting ability. Interestingly, this test can also help evaluate the effectiveness of blood-thinning medications.
When you order this test, you can expect the following benefits:
- Helps monitor blood-thinning medication effectiveness.
- Assists in diagnosing bleeding disorders.
- Evaluates unexplained bleeding or bruising.
- Checks for clotting disorders before surgery.
- Monitors treatment for clotting disorders.
Who Should Consider the Test
People who are on blood-thinning medications or have a family history of clotting disorders may find this test beneficial. For example, someone who experiences frequent unexplained bruising might consider this test to understand their blood clotting status better.
Here are some scenarios where ordering this test might be relevant:
- Experiencing frequent nosebleeds.
- Having a family history of clotting disorders.
- Preparing for a surgical procedure.
- Monitoring treatment for a clotting disorder.
- Experiencing recurrent miscarriages, which can be linked to clotting issues.
Ordering this test can provide insights into your blood’s clotting ability, which is important for managing conditions like clotting disorders. Delaying this test might result in missing crucial information about your blood’s ability to clot, which could affect treatment decisions.
How to Prepare for the Test
No fasting is required for the Prothrombin Time – PT + Partial Thromboplastin Time – PTT Test. It’s important to follow any instructions from your doctor or healthcare professional to ensure the test is conducted properly.
Labs Included When Ordering Your Prothrombin Time – PT + Partial Thromboplastin Time – PTT Test
| Test Name | Reference Range | Significance | Low and High Levels of Prothrombin Time – PT + Partial Thromboplastin Time – PTT |
|---|---|---|---|
| Prothrombin Time (PT) | 10-13 | Prothrombin Time measures how long it takes for blood to clot. It helps evaluate the extrinsic and common pathways of the coagulation cascade. | High levels mean increased risk of bleeding.
Low levels mean increased risk of clotting. |
| Partial Thromboplastin Time (PTT) | 25-35 | Partial Thromboplastin Time assesses the intrinsic and common pathways of the coagulation cascade. It is used to investigate unexplained bleeding or clotting. | High levels mean increased risk of bleeding.
Low levels mean increased risk of clotting. |
Lab reference values are subject to change. Refer to the Quest Diagnostics lab test directory for current ranges.
Prothrombin Time – PT + Partial Thromboplastin Time – PTT FAQ
Is there Prothrombin Time – PT + Partial Thromboplastin Time – PTT testing near me?
To find nearby locations for Prothrombin Time – PT + Partial Thromboplastin Time – PTT testing, use the patient service center locator. This is especially helpful for those needing regular monitoring of blood-thinning medications, ensuring easy access to testing sites.
What is the cost of the test?
The cost of the test includes all fees, such as sample collection at patient service center locations. It’s worth ordering to monitor blood clotting, especially if you’re on blood-thinning medication.
How often should I retest?
Retesting is typically recommended every 4-6 weeks for those on blood-thinning medications. Regular testing helps ensure your medication is working effectively and safely.
How accurate is the test?
The Prothrombin Time – PT + Partial Thromboplastin Time – PTT Test uses a clotting assay method to measure blood clotting time accurately. TrueHealthLabs.com partners with CLIA-certified laboratories to uphold rigorous testing standards for dependable results.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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