# Partial Thromboplastin Time (PTT), Activated

> This test measures how long it takes for your blood to form a clot by evaluating specific proteins known as clotting factors. It helps show whether your blood clots properly, which is important for investigating unexplained bleeding, bruising, or monitoring blood-thinning treatments like heparin. This assessment helps doctors identify potential bleeding disorders or deficiencies in the clotting process. However, this test cannot determine the exact cause of a clotting problem or diagnose a specific disease without additional follow-up testing.

- Labcorp code: 005207
- Category: [Heart & Metabolic](https://app.picardo.health/labs/tests/heart-metabolic.md)
- Price: shown at checkout, before payment.
- Blood draw: free at a Labcorp location, or $75.00 at home.
- Order link: https://app.picardo.health/labs/order?tests=005207&ref=assistant

## About ordering

A licensed physician reviews every order before any test is run, and results arrive in the person's Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.