nci logo
NIH
U.S. National Institutes of Health National Cancer Institute

SEER Modification of the ICCC

Site Group ICD-O-2 Histology (Type) ICD-O-2 Site Recode
I Leukemia
     
     (a) Lymphoid Leukemia
     
           Acute lymphocytic leukemia (ALL)
9821, 9828 C000-C809 012
           Lymphoid excluding ALL
9820, 9822-9827, 9850 C000-C809 011
     (b) Acute non-lymphocytic leukemia
9840, 9841, 9861, 9864, 9866, 9867, 9871-9874, 9891, 9894, 9910 C000-C809 013
     (c) Chronic myeloid leukemia
9863, 9868 C000-C809 015
     (d) Other specified leukemia
9830, 9842, 9860, 9862, 9870,9875-9890, 9892, 9893, 9900, 9930-9941 C000-C809 016
     (e) Unspecified leukemia
9800-9804 C000-C809 017
II Lymphoma and reticuloendothelial neoplasms
     
     (a) Hodgkin lymphoma
9650-9667 C000-C809 021
     (b) Non-Hodgkin lymphoma
9591-9595, 9670-9686, 9688, 9690-9717, 9723 C000-C809 022
     (c) Burkitt lymphoma
9687 C000-C809 023
     (d) Miscellaneous lymphoreticular neoplasms
9720, 9731-9764 C000-C809 024
     (e) Unspecified lymphoma
9590 C000-C809 025
III CNS and miscellaneous intracranial and intraspinal neoplasms
     
     (a) Ependymoma
9383, 9390-9394 C000-C809 031
     (b) Astrocytoma
9380 C723 032
9381, 9400-9441 * C700-C729, C751-C753, C692 * 032
     (c) Primitive neuroectodermal tumors
9470-9473 * C700-C729, C751-C753, C809 * 033
9500 * C710-C719, C751-C753 * 033
9362 * C000-C809 * 033
     (d) Other gliomas
9380 C700-C722, C724-C729 034
9382, 9384 C000-C809 034
9442-9460, 9481 C000-C809 034
     (e) Miscellaneous intracranial and intraspinal neoplasms
8270-8281, 8300, 9350-9361, 9480, 9505, 9530-9539 * C000-C809 * 035
     (f) Unspecified intracranial and intraspinal neoplasms
8000-8004 C700-C729, C751-C753 036
IV Sympathetic nervous system tumors
     
     (a) Neuroblastoma and ganglioneuroblastoma
9490 C000-C809 041
9500 * C000-C709,C720-C750,C754-C809 * 041
     (b) Other sympathetic nervous system tumors
8680, 8693-8710, 9501-9504, 9520-9523 C000-C809 042
V Retinoblastoma
9510-9512 C000-C809 051
VI Renal tumors
     
     (a) Wilms tumor, rhabdoid and clear cell sarcoma
8963 C649, C809 061
8960, 8964 C000-C809 061
     (b) Renal carcinoma
8010-8041, 8050-8075, 8082, 8120-8122, 8130-8141, 8143, 8155, 8190-8201, 8210, 8211, 8221-8231,8240, 8241, 8244-8246, 8260-8263, 8290, 8310, 8320, 8323, 8401, 8430, 8440, 8480-8490, 8504, 8510, 8550, 8560-8573 C649 062
8312 C000-C809 062
     (c) Unspecified malignant renal tumors
8000-8004 C649 063
VII Hepatic tumors
     
     (a) Hepatoblastoma
8970 C000-C809 071
     (b) Hepatic carcinoma
8010-8041, 8050-8075, 8082, 8120-8122, 8140, 8141, 8143, 8155, 8190-8201, 8210, 8211, 8230, 8231,8240, 8241, 8244-8246, 8260-8263, 8310, 8320, 8323, 8401, 8430, 8440, 8480-8490, 8504, 8510, 8550, 8560-8573 C220, C221 072
8160-8180 C000-C809 072
     (c) Unspecified malignant hepatic tumors
8000-8004 C220, C221 073
VIII Malignant bone tumors
     
     (a) Osteosarcoma
9180-9200 C000-C809 081
     (b) Chrondosarcoma
9220-9230 C000-C809 082
9231, 9240 C400-C419 082
     (c) Ewing sarcoma
9260 C400-C419, C809 083
9363, 9364 C400-C419 083
9473 * C400-C419 * 083
     (d) Other specified malignant bone tumors
8812, 9250, 9261-9330, 9370 C000-C809 085 $
     (e) Unspecified malignant bone tumors
8000-8004, 8800, 8801, 8803, 8804 C400-C419 086 $
IX Soft-tissue sarcomas
     
     (a) Rhabdomyosarcoma and embryonal sarcoma
8900-8920, 8991 C000-C809 091
     (b) Fibrosarcoma, neurofibrosarcoma and other fibromatous neoplasms
8810, 8811, 8813-8833, 9540-9561 C000-C809 092
     (c) Kaposi sarcoma
9140 C000-C809 093
     (d) Other specified soft-tissue sarcomas
     
           IX(d) excluding misclassification from III(c)
8840-8896, 8982, 8990, 9040-9044, 9120-9134, 9150-9170, 9251, 9581 C000-C809 094
8963 C000-C639, C659-C768 094
9231, 9240, 9363, 9364 C000-C399, C440-C809 094
9260 C000-C399, C470-C768 094
           PNET - not in brain/CNS/bone
9473 * C000-C399,C420-C699, C730-C750,C754-C808 * 084
     (e) Unspecified soft-tissue sarcomas
8800-8804 C000-C399, C440-C809 095
X Germ-cell, trophoblastic and other gonadal neoplasms
     
     (a) Intracranial and intraspinal germ-cell tumors
9060-9102 C700-C729, C751-C753 101
     (b) Other and unspecified non-gonadal germ-cell tumors
9060-9102 C000-C559, C570-C619, C630-C699, C739-C750, C754-C809 102
     (c) Gonadal germ-cell tumors
9060-9102 C569, C620-C629 103
     (d) Gonadal carcinomas
8010-8041, 8050-8075, 8120-8122, 8130-8141, 8143, 8155, 8190-8201, 8210, 8211, 8221-8241, 8244-8246, 8260-8263, 8290, 8310, 8320, 8323, 8430, 8440, 8480-8490, 8504, 8510, 8550, 8560-8573 C569, C620-C629 104
8380, 8381, 8441-8473 C000-C809 104
     (e) Other and unspecified malignant gonadal tumors
8590-8670, 9000 C000-C809 105
8000-8004 C569, C620-C629 105
XI Carcinomas and other malignant epithelial neoplasms
     
     (a) Adrenocortical carcinoma
8370-8375 C000-C809 111
     (b) Thyroid carcinoma
8010-8041, 8050-8075, 8082, 8120-8122, 8130-8141, 8155, 8190, 8200, 8201, 8211, 8230, 8231, 8244-8246, 8260-8263, 8290, 8310, 8320, 8323, 8430, 8440, 8480, 8481, 8500-8573 C739 112
8330-8350 C000-C809 112
     (c) Nasopharyngeal carcinoma
8010-8041, 8050-8075, 8082, 8120-8122, 8130-8141, 8155, 8190, 8200, 8201, 8211, 8230, 8231, 8244-8246, 8260-8263, 8290, 8310, 8320, 8323, 8430, 8440, 8480, 8481, 8504, 8510, 8550, 8560-8573 C110-C119 113
     (d) Malignant melanoma
8720-8780 C000-C809 114
     (e) Skin carcinoma
8010-8041, 8050-8075, 8082, 8090-8110, 8140, 8143, 8147, 8190, 8200, 8240, 8246, 8247, 8260, 8310, 8320, 8323, 8390-8420, 8430, 8480, 8542, 8560, 8570-8573, 8940 C440-C449 115
     (f) Other and unspecified carcinomas
8010-8082, 8120-8155, 8190-8263, 8290, 8310, 8314-8323, 8430-8440, 8480-8580, 8940, 8941 C000-C109, C129-C218, C239-C399, C480-C488, C500-C559, C570-C619, C630-C639, C659-C729, C750-C809 116
XII Other and unspecified malignant neoplasms
     
     (a) Other specified malignant tumors
8930, 8933, 8950, 8951, 8971-8981, 9020, 9050-9053, 9110, 9580 C000-C809 121
     (b) Other unspecified malignant tumors
8000-8004 C000-C218, C239-C399, C420-C559, C570-C619, C630-C639, C659-C699, C739-C750, C754-C809 122
Not classified by SEER
    999

[return to top]

* ICD-O-2 histology and site definitions differ between IARC Technical Report No. 29 and the SEER modification.

$ Recode value differs between IARC Technical Report No. 29 and the SEER modification.