Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of HLA

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

HLA: Human leukocyte antigen, the major human histocompatibility system. HLA typing is done before transplantation to determine the degree of tissue compatibility between donor and recipient.