MedicalTerminology DB

Meaning of YKL-40: A substance that may be found in higher-than-normal amounts in the blood of patients with certain types of cancer and inflammatory diseases.

Definition of YKL-40

A substance that may be found in higher-than-normal amounts in the blood of patients with certain types of cancer and inflammatory diseases. It is a type of glycoprotein.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.