Table 1

International Classification of Diseases for Oncology, 2nd edition (ICD-O-2) classifications (18) for non-Hodgkin’s lymphoma included in pathologic re-reviewa

ICD-O-2 codesDescription of malignant lymphoma subtype
9590, 9591, 9593, 9595NOSb
9670Small lymphocytic, NOS
9671Lymphoplasmacytic
9672Small cleaved cell, diffuse
9673Lymphocytic, intermediate differentiation, diffuse
9675Mixed small and large cell, diffuse
9680Large cell, diffuse, NOS
9681Large cell, cleaved, diffuse
9682Large cell, noncleaved, diffuse
9684Immunoblastic
9685Lymphoblastic
9686Small cell, noncleaved, diffuse
9687Burkitt’s lymphoma, NOS
9690Follicular, NOS
9691Mixed small cleaved and large cell, follicular
9695Small cleaved cell, follicular
9698Large cell, follicular, NOS
9700Mycosis fungoides
9711Monocytoid B-cell lymphoma
  • a ICD-O-2 non-Hodgkin’s lymphoma codes not included in this reliability study consisted of 9674, centrocytic; 9676, centroblastic-centrocytic, diffuse; 9692, centroblastic-centrocytic, follicular, 9693, lymphocytic, well-differentiated, nodular; 9696, lymphocytic, poorly differentiated nodular; 9697, centroblastic, follicular; 9701, Sezary’s disease; 9702, peripheral T-cell lymphoma, not otherwise specified; 9703, T-zone lymphoma; 9704, lymphoepitheloid; 9705, peripheral T-cell lymphoma angioimmunoblastic lymphadenopathy with dysproteinemia; 9706, peripheral T-cell, pleomorphic small cell; 9707, peripheral T-cell, pleomorphic medium and large cell; 9709, cutaneous lymphoma; 9712, angioendotheliomatosis; 9713, angiocentric T-cell; and 9714, large cell Ki-1+.

  • b NOS, not otherwise specified.