What Does High Platelet Count Mean?

High platelets (thrombocytosis) means increased clotting risk.

Common Causes

  • Reactive: infection, inflammation, iron deficiency, surgery
  • Essential thrombocythemia: bone marrow disorder (rare)
  • Post-splenectomy

Symptoms

  • Headaches
  • Dizziness
  • Chest pain
  • Numbness/tingling
  • Vision changes

Evaluation

  • Check iron studies (ferritin often low)
  • CRP/ESR for inflammation
  • If persistent without cause, consider bone marrow evaluation
Source: NLM MedlinePlus, American Association for Clinical Chemistry.

Order a comprehensive metabolic panel online — private, no specialist referral required.

Order a comprehensive metabolic panel online ↗ affiliate link