Helm Health

cbc · PLT

Platelet Count

The cells that help blood clot. Low counts can raise bleeding risk and very high counts can affect clotting; both are interpreted with the clinical picture and the rest of the CBC.

This page is general wellness education, not medical advice. Your own lab’s reference range and your clinician’s interpretation always take precedence.

Typical reference range

GroupGeneral range
Adults150 – 400 10^3/uL

Units: 10^3/uL. Ranges vary by lab and assay — read yours against the range printed on your own report.

What high Platelet Count can mean

  • Inflammation/infection
  • Iron deficiency
  • After spleen removal
  • Some bone marrow conditions

What low Platelet Count can mean

  • Viral infections
  • Some medications
  • Immune destruction (ITP)
  • Liver disease
  • Bone marrow problems

Related markers

Sources