D-Dimer

About This Test
D‑dimer is a fragment made when blood clots dissolve. Very high levels can suggest a clot (like DVT or pulmonary embolism), but many conditions can raise it. It’s mainly used to rule out clots in low‑risk patients.

Patient Preparation
Fasting not required.

Best Time to Test
Anytime

Tests Included
D-Dimer

Why is it done
Part of targeted screening based on symptoms or risks.
Helps confirm or rule out suspected conditions.
Guides treatment decisions and follow‑up.
Sometimes used to monitor response to therapy.