T (thymus derived) lymphocyte count

Table of Contents

Alternative Names

Thymus derived lymphocyte count; T-lymphocyte count


Normal Values

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.


What abnormal results mean

Higher than normal T-cell levels may be due to:

  • Acute lymphocytic leukemia
  • Infectious mononucleosis
  • Multiple myeloma

Lower than normal T-cell levels may be due to:

  • AIDS
  • Acute viral infection
  • Aging
  • Cancer
  • Congenital T-cell deficiency (rare)
  • Hodgkin's disease
  • Immunodeficiency disorders
  • Leukemias
  • Side effect of radiation therapy
  • Waldenstrom's macroglobulinemia

Images


Review Date: 08/01/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)