Educational information only. At Precursor, blood testing is requested and reviewed by a clinician and considered alongside your history and other markers, not as a stand-alone diagnosis. Testing is performed in NATA-accredited laboratories to ISO 15189 standards.

What are platelets?

Platelets are tiny cell fragments in your blood that clump together to form clots and stop bleeding when a vessel is injured. The platelet count measures how many you have, which reflects your blood's ability to clot properly.

Why it matters

Platelets sit at the balance point between bleeding and clotting. Too few can mean a tendency to bruise or bleed, while too many can raise clotting risk, so the count is a useful marker of this delicate balance and of bone-marrow activity.

What your results can mean

Lower than optimal

A low platelet count can follow certain infections, medications or other processes, and if very low can affect bleeding. It is interpreted in the context of your history and the rest of the count.

Higher than optimal

A high platelet count can occur as a reaction to inflammation or, less commonly, from increased production, and is reviewed alongside your other results.

Reference ranges in Australia

Platelets are reported in cells times ten to the ninth per litre (x10⁹/L). As a general guide, a value in the region of 150 to 400 x10⁹/L is often considered within range, though this varies by laboratory. Read your result against the range on your own report.

Test your blood count with Precursor

Platelets are most meaningful within a full blood count. At Precursor they are measured as part of Full Advanced Bloods, a single clinician-reviewed blood draw covering your full blood count, heart, metabolic, hormonal, kidney, liver, thyroid and nutrient markers together, giving you and your clinician a broad baseline to understand and track.