Variable Definition Table

The information provided in this table is also available to download (XLSX, 17 KB).
To see how this variable is used with SEER data and the other lymphoma variable definition, see the Lymphoma Subtype Recode home page.
A new recommended version of this variable is now available: Lymphoid neoplasm recode 2021 Revision. The new version codes "9837/3: T lymphoblastic leukemia/lymphoma" as Precursor Non-Hodgkin lymphoma, T-cell.

Site Group ICD-O-3 Primary Site ICD-O-3 Histology Recode
Lymphoid Neoplasm
1. Hodgkin Lymphoma
1(a). Classical Hodgkin lymphoma
1(a)1. Lymphocyte-rich/mixed cell/lymphocyte depleted
1(a)1.1. Lymphocyte-rich 000-809 9651 01
1(a)1.2. Mixed cellularity 000-809 9652 02
1(a)1.3. Lymphocyte-depleted 000-809 9653-9655 03
1(a)2. Nodular sclerosis 000-809 9663-9667 04
1(a)3. Classical Hodgkin lymphoma, NOS 000-809 9650, 9661-9662 05
1(b). Nodular lymphocyte predominant Hodgkin lymphoma 000-809 9659 06
2. Non-Hodgkin lymphoma
2(a). Non-Hodgkin lymphoma, B-cell
2(a)1. Precursor Non-Hodgkin lymphoma, B-cell 000-809 9728, 9811-9818, 9835-9836 07
2(a)2. Mature Non-Hodgkin lymphoma, B-cell
2(a)2.1. Chronic/Sm/Prolymphocytic/Mantle B-cell NHL
2(a)2.1.1. Chronic/Small lymphocytic leuk/lymph 000-809 9670, 9823 08
2(a)2.1.2. Prolymphocytic leukemia, B-cell 000-809 9833 09
2(a)2.1.3. Mantle-cell lymphoma 000-809 9673 10
2(a)2.2. Lymphoplasmacytic lymphoma/Waldenstrom
2(a)2.2.1. Lymphoplasmacytic lymphoma 000-809 9671 11
2(a)2.2.2. Waldenstrom macroglubulinemia 000-809 9761 12
2(a)2.3. Diffuse large B-cell lymphoma (DLBCL)
2(a)2.3.1. DLBCL, NOS 000-498, 500-809 9680, 9688, 9737, 9738 13
000-809 9684, 9735
2(a)2.3.2. Intravascular large B-cell lymphoma 499 9680, 9688, 9737, 9738 14
000-809 9712
2(a)2.3.3. Primary effusion lymphoma 000-809 9678 15
2(a)2.3.4. Mediastinal large B-cell lymphoma 000-809 9679 16
2(a)2.4. Burkitt lymphoma/leukemia 000-809 9687, 9826 17
2(a)2.5. Marginal-zone lymphoma (MZL)
2(a)2.5.1. Splenic MZL 000-809 9689 18
2(a)2.5.2. Extranodal MZL, MALT type 000-769, 780-809 9699 19
000-809 9760, 9764
2(a)2.5.3. Nodal MZL 770-779 9699 20
2(a)2.6. Follicular lymphoma 000-809 9675, 9690-9691, 9695, 9698 21
2(a)2.7. Hairy-cell leukemia 000-809 9940 22
2(a)2.8. Plasma cell neoplasms
2(a)2.8.1. Plasmacytoma 000-809 9731, 9734 23
2(a)2.8.2. Multiple myeloma/plasma-cell leuk. 000-809 9732-9733 24
2(a)2.9. Heavy chain disease 000-809 9762 25
2(a)3. Non-Hodgkin lymphoma, B-cell, NOS 000-809 9591, 9597 26
2(b). Non-Hodgkin lymphoma, T-cell
2(b)1. Precursor Non-Hodgkin lymphoma, T-cell 000-809 9729 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 000-809 9700 28
2(b)2.1.2 Sezary syndrome 000-809 9701 29
2(b)2.2. Peripheral T-cell lymphoma
2(b)2.2.1. Peripheral T-cell lymphoma, NOS 000-809 9702 30
2(b)2.2.2. Angioimmunoblastic T-cell lymphoma 000-809 9705 31
2(b)2.2.3. Subcutaneous panniculitis-like T-cell lymph 000-809 9708 32
2(b)2.2.4. Anaplastic large cell lymphoma, T-/Null-cell 000-809 9714 33
2(b)2.2.5. Hepatosplenic T-cell lymphoma 000-809 9716 34
2(b)2.2.6. Enteropathy-type T-cell lymphoma 000-809 9717 35
2(b)2.2.7. Cutaneous T-cell lymphoma, NOS 000-809 9709, 9726 36
2(b)2.2.8. Primary cutaneous anaplastic large cell lymphoma 000-809 9718 37
2(b)2.3. Adult T-cell leukemia/lymphoma 000-809 9827, 9837 38
2(b)2.4. NK/T-cell lymph, nasal-type/aggresive NK leuk 000-809 9719, 9948 39
2(b)2.5. T-cell large granular lymphocytic leukemia 000-809 9831 40
2(b)2.6. Prolymphocytic leukemia, T-cell 000-809 9834 41
2(c). Non-Hodgkin lymphoma, unknown lineage 000-809 9727, 9832 42
3. Composite Hodgkin lymphoma and NHL 000-809 9596 43
4. Lymphoid neoplasm, NOS 000-809 9590, 9594, 9724, 9725, 9820, 9970, 9971 44
Unclassified Other Combination 99