IMMUNOPHENOTYPING BY FLOW CYTOMETRY: CD4

CD4 COUNTS ARE ROUTINELY USED FOR SERIAL MONITORING OF HIV-POSITIVE PATIENTS. CD4 HELPER T-CELLS ARE USEFUL FOR FOLLOW-UP & DIAGNOSTIC EVALUATION OF PRIMARY CELLULAR IMMUNODEFICIENCIES, INCLUDING SEVERE COMBINED IMMUNODEFICIENCY; T-CELL IMMUNE MONITORING FOLLOWING IMMUNOSUPPRESSIVE THERAPY FOR TRANSPLANTATION, AUTOIMMUNITY & OTHER IMMUNOLOGICAL CONDITIONS WHERE SUCH TREATMENT IS UTILIZED; ASSESSMENT OF T-CELL IMMUNE RECONSTITUTION POST HEMATOPOIETIC CELL TRANSPLANTATION AND EARLY SCREENING OF GROSS QUANTITATIVE ANOMALIES IN T CELLS IN INFECTION / MALIGNANCIES.