A breakdown product of blood clots.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
A breakdown product of blood clots. Why it is done: To help rule out a blood clot (DVT or pulmonary embolism) when the clinical risk is low. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Sources: SI (analytes, refranges, critical); LOINC; MedlinePlus Lab Tests (reference)
To help rule out a blood clot (DVT or pulmonary embolism) when the clinical risk is low.
No preparation. No single typical range given here. Ranges vary by lab, age and sex; use the range on your report. High values may mean: Possible clot, but also raised after surgery, in pregnancy, infection and older age; needs imaging to confirm. Low values may mean: A clot is unlikely when the clinical risk is low. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
⚠️ Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
Why is D-dimer done?
To help rule out a blood clot (DVT or pulmonary embolism) when the clinical risk is low.
Do I need to prepare or fast for D-dimer?
No preparation. No single typical range given here. Ranges vary by lab, age and sex; use the range on your report. High values may mean: Possible clot, but also raised after surgery, in pregnancy, infection and older age; needs imaging to confirm. Low values may mean: A clot is unlikely when the clinical risk is low. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
This content includes LOINC® (loinc.org), © Regenstrief Institute, Inc. Used under the LOINC licence. (LOINC: 48065-7, 48066-5)
Sources: SI (analytes, refranges, critical); LOINC; MedlinePlus Lab Tests (reference)