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T (Thymus Derived) Lymphocyte Count
Alternate Names : CD3 Count, CD4 Count, T Cell Counts, T-Lymphocyte Count
 See all Pictures & Images
Special Considerations
This test can be affected by:A flow cytometric measurement is more accurate than manual counts.
People with decreased T lymphocytes may not react to diagnostic skin tests.
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images
Topics that might be of interest to you Diseases & Conditions
• Acute Lymphocytic Leukemia
• AIDS
• Hodgkin's Lymphoma
• Immunodeficiency Disorders
• Macroglobulinemia of Waldenstrom
• Mononucleosis
• Multiple Myeloma
Tests & Exams
• Blood Pressure
• Immunofluorescence
• Venipuncture
Other Topics
• Acute
• Adolescent Test or Procedure Preparation
• Bleeding
• Chemotherapy
• Fainting
• Immune Response
• Infant Test/Procedure Preparation
• Preschooler Test/Procedure Preparation
• Radiation Therapy
• School Age Test/Procedure Preparation
• Stress and Anxiety
• Toddler Test/Procedure Preparation
Review Date : 1/5/2002
Reviewed By : Camille Kotton, M.D., Infectious Diseases Division, Massachusetts General Hospital and Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.
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