Inflammatory Markers

Reviewed: 16. April 2026

PCT Procalcitonin (PCT)

Unit: ng/ml

Quick Explanation

PCT (procalcitonin) is a specific marker for bacterial infections. Elevated levels can indicate a severe bacterial infection or sepsis. The test helps doctors decide whether antibiotics are necessary. Discuss elevated levels with your doctor immediately.

📊 Reference Values

Normal / low
0 – 0.5 ng/ml
Mildly elevated
0.5 – 2 ng/ml
Highly elevated (sepsis suspected)
↑↑above 2 ng/ml

ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.

🔍 Possible Causes

Value too high — possible causes

  • ·Severe bacterial infection
  • ·Sepsis
  • ·Multi-organ failure
  • ·Severe burns

This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.

🩺 Questions for Your Doctor

  • Does my PCT indicate a bacterial infection?
  • Do I need antibiotics?
  • Should I be hospitalized?

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Medical Disclaimer

The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.

PCT value: Procalcitonin explained | Medyra | Medyra AI