SEER Lymphoma Subtype Recode Definition
Site Group;Grade;Primary Site;Histology ICD-O-3;Recode
Lymphoid Neoplasm; ; ; ;
1 Hodgkin Lymphoma; ; ; ;
   1(a) Classical Hodgkin lymphoma; ; ; ;
      1(a)1 Lymphocyte-rich/mixed cellularity/lymphocyte depleted; ; ; ;
         1(a)1.1 Lymphocyte-rich;0-9;C000-C809;9651;01
         1(a)1.2 Mixed cellularity;0-9;C000-C809;9652;02
         1(a)1.3 Lymphocyte-depleted;0-9;C000-C809;9653-9655;03
      1(a)2 Nodular sclerosis;0-9;C000-C809;9663-9667;04
      1(a)3 Classical Hodgkin lymphoma, NOS;0-9;C000-C809;9650,9661-9662;05
   1(b) Nodular lymphocyte predominant Hodgkin lymphoma;0-9;C000-C809;9659;06
2 Non-Hodgkin lymphoma; ; ; ;
   2(a) Non-Hodgkin lymphoma, B-cell; ; ; ;
      2(a)1 Precursor Non-Hodgkin lymphoma, B-cell;0-9;C000-C809;9728,9836;07
;6;C000-C809;9727,9835;07
      2(a)2 Mature Non-Hodgkin lymphoma, B-cell; ; ; ;
         2(a)2.1 Chronic/Small/Prolymphocytic/Mantle B-cell NHL; ; ; ;
            2(a)2.1.1 Chronic/Small lymphocytic leuk/lymph;0-9;C000-C809;9670,9823;08
            2(a)2.1.2 Prolymphocytic leukemia, B-cell;0-9;C000-C809;9833;09
;6;C000-C809;9832;09
            2(a)2.1.3 Mantle-cell lymphoma;0-9;C000-C809;9673;10
         2(a)2.2 Lymphoplasmacytic lymphoma/Waldenstrom; ; ; ;
            2(a)2.2.1 Lymphoplasmacytic lymphoma;0-9;C000-C809;9671;11
            2(a)2.2.2 Waldenstrom macroglubulinemia;0-9;C000-C809;9761;12
         2(a)2.3 Diffuse large B-cell lymphoma (DLBCL); ; ; ;
            2(a)2.3.1 DLBCL, NOS;0-9;C000-C498,C500-C809;9680;13
;6;C000-C809;9684;13
            2(a)2.3.2 Intravascular large B-cell lymphoma;0-9;C499;9680;14
            2(a)2.3.3 Primary effusion lymphoma;0-9;C000-C809;9678;15
            2(a)2.3.4 Mediastinal large B-cell lymphoma;0-9;C000-C809;9679;16
         2(a)2.4 Burkitt lymphoma/leukemia;0-9;C000-C809;9687,9826;17
         2(a)2.5 Marginal-zone lymphoma (MZL); ; ; ;
            2(a)2.5.1 Splenic MZL;0-9;C000-C809;9689;18
            2(a)2.5.2 Extranodal MZL, MALT type;0-9;C000-C769,C780-C809;9699;19
;0-9;C000-C809;9760,9764;19
            2(a)2.5.3 Nodal MZL;0-9;C770-C779;9699;20
         2(a)2.6 Follicular lymphoma;0-9;C000-C809;9690-9691,9695,9698;21
         2(a)2.7 Hairy-cell leukemia;0-9;C000-C809;9940;22
         2(a)2.8 Plasma cell neoplasms; ; ; ;
            2(a)2.8.1 Plasmacytoma;0-9;C000-C809;9731,9734;23
            2(a)2.8.2 Multiple myeloma/plasma-cell leuk.;0-9;C000-C809;9732-9733;24
         2(a)2.9 Heavy chain disease;0-9;C000-C809;9762;25
      2(a)3 Non-Hodgkin lymphoma, B-cell, NOS;6;C000-C809;9591,9675;26
   2(b) Non-Hodgkin lymphoma, T-cell; ; ; ;
      2(b)1 Precursor Non-Hodgkin lymphoma, T-cell;0-9;C000-C809;9729,9837;27
;5,7,8;C000-C809;9727,9835;27
      2(b)2 Mature Non-Hodgkin lymphoma, T-cell; ; ; ;
         2(b)2.1 Mycosis fungoides/Sezary syndrome; ; ; ;
            2(b)2.1.1 Mycosis fungoides;0-9;C000-C809;9700;28
            2(b)2.1.2 Sezary syndrome;0-9;C000-C809;9701;29
         2(b)2.2 Peripheral T-cell lymphoma; ; ; ;
            2(b)2.2.1 Peripheral T-cell lymphoma, NOS;0-9;C000-C809;9702;30
;5,7,8;C000-C809;9675;30
            2(b)2.2.2 Angioimmunoblastic T-cell lymphoma;0-9;C000-C809;9705;31
            2(b)2.2.3 Subcutaneous panniculitis-like T-cell lymphoma;0-9;C000-C809;9708;32
            2(b)2.2.4 Anaplastic large cell lymphoma, T- or Null-cell;0-9;C000-C809;9714;33
            2(b)2.2.5 Hepatosplenic T-cell lymphoma;0-9;C000-C809;9716;34
            2(b)2.2.6 Enteropathy-type T-cell lymphoma;0-9;C000-C809;9717;35
            2(b)2.2.7 Cutaneous T-cell lymphoma, NOS;0-9;C000-C809;9709;36
            2(b)2.2.8 Primary cutaneous anaplastic large cell lymphoma;0-9;C000-C809;9718;37
         2(b)2.3 Adult T-cell leukemia/lymphoma;0-9;C000-C809;9827;38
         2(b)2.4 NK/T-cell lymph., nasal-type/aggressive NK leuk.;0-9;C000-C809;9719,9948;39
         2(b)2.5 T-cell large granular lymphocytic leukemia;0-9;C000-C809;9831;40
         2(b)2.6 Prolymphocytic leukemia, T-cell;0-9;C000-C809;9834;41
;5,7,8;C000-C809;9832;41
      2(b)3 Non-Hodgkin lymphoma, NOS, T-cell;5,7,8;C000-C809;9591,9684;42
   2(c) Non-Hodgkin lymphoma, unknown lineage; ; ; ;
      2(c)1 Precursor lymphoblastic leuk/lymph, unknown lineage;1-4,9;C000-C809;9727,9835;43
      2(c)2 Prolymphocytic leukemia, unknown lineage;1-4,9;C000-C809;9832;44
      2(c)3 Non-Hodgkin lymphoma, NOS, unknown lineage;1-4,9;C000-C809;9591,9675,9684;45
3 Composite Hodgkin lymphoma and NHL;0-9;C000-C809;9596;46
4 Lymphoid neoplasm, NOS;0-9;C000-C809;9590,9594,9820,9970;47
Unclassified; ; ; ;99
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