anti-CD15, CD34 antibody (FITC, R-PE): Monoclonals Mouse Anti-Human CD15/CD34, are recommended for use in flow cytometry for identification of myelomonocytic cells and myeloid progenitor cells in erythrocyte lysed whole blood, based on cell-surface antigen expression. Changes in the CD15/ CD34 phenotype may be useful in studying normaland malignant myeloid differentiation.