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Rappaport Classification

Rappaport classification was developed before lymphoid cells were divided into B-cells and T-cells.

  • Well-differentiated lymphocytic lymphoma = small lymphocytic lymphoma
  • Poorly differentiated lymphocytic lymphoma = 96633 (NOS), 96643 (cellular phase) also: 96653 (HD NS, lymphocyte predominance) 96663 (HD NS mixed cellularity), 96673 (HD NS, lymphocytic depletion)
  • Histiocytic lymphoma = large cell lymphoma