The information provided in this table is also available in an ASCII text file (TXT, 7 KB) (semicolons are used as the delimiters).
To see how this variable is used with SEER data and the other AYA variable definition, see the AYA Site Recode home page.

Site Group ICD-O-3 Behavior Recode Primary Site ICD-O-3 Histology Recode
1. Leukemias
1.1 Acute lymphoid leukemia 3 C000-C809 9826, 9835-9836 01
3 C420-C421, C424 9811-9818, 9837 01
1.2 Acute myeloid leukemia 3 C000-C809 9840, 9861, 9865-9867, 9869, 9871-9874, 9891, 9895-9898, 9910-9911, 9920 02
1.3 Chronic myeloid leukemia 3 C000-C809 9863, 9875-9876, 9945-9946 03
1.4 Other and unspecified leukemia 3 C000-C809 9742, 9800-9801, 9805-9809, 9820, 9831-9834, 9860, 9870, 9930-9931, 9940, 9948, 9963-9964 04
3 C420-C421, C424 9823, 9827 04
2. Lymphomas
2.1 Non-Hodgkin lymphoma 3 C000-C809 9590-9591, 9596-9597, 9670-9671, 9673, 9675, 9678-9680, 9684, 9687-9691, 9695, 9698-9702, 9705, 9708-9709, 9712, 9714, 9716-9719, 9725-9729, 9735, 9737-9738 05
3 C000-C419, C422-C423, C425-C809 9811-9818, 9823, 9827, 9837 05
2.2 Hodgkin lymphoma 3 C000-C809 9650-9655, 9659, 9661-9665, 9667 06
3. CNS and Other Intracranial and Intraspinal Neoplasms (all behaviors)
3.1. Astrocytoma
3.1.1 Specified low-grade astrocytic tumors 0, 1, 3 C723 9380 07
0, 1, 3 C000-C809 9410-9411, 9420-9421, 9424 07
3.1.2 Glioblastoma and anaplastic astrocytoma 0, 1, 3 C000-C809 9401, 9440-9442 08
3.1.3 Astrocytoma, NOS 0, 1, 3 C000-C809 9400 09
3.2 Other glioma 0, 1, 3 C000-C722, C724-C809 9380 10
0, 1, 3 C000-C809 9381-9384, 9423, 9430, 9450-9451, 9460 10
3.3 Ependymoma 0, 1, 3 C000-C809 9391-9394 11
3.4 Medulloblastoma and other PNET
3.4.1 Medulloblastoma 0, 1, 3 C716 9470-9474 12
3.4.2 Supratentorial PNET 0, 1, 3 C000-C715, C717-C809 9470-9474 13
3.5 Other specified intracranial and intraspinal neoplasms 0, 1, 3 C000-C699, C730-C750, C754-C809 9350-9351, 9360-9362, 9390, 9480, 9530-9535, 9537-9539, 9541, 9550, 9562, 9570 14
0, 1, 3 C700-C729, C751-C753 9161, 9361-9362, 9390, 9530-9531, 9535, 9538, 9540, 9560, 9571 14
0, 1, 3 C700 9532, 9534, 9537, 9539 14
0, 1, 3 C753 9360 14
0, 1, 3 C711 9480, 9539 14
0, 1, 3 C713 9480, 9533 14
0, 1, 3 C719 9350 14
0, 1, 3 C714, C717 9480 14
0, 1, 3 C709 9539 14
3.6 Unspecified intracranial and intraspinal neoplasms
3.6.1 Unspecified malignant intracranial and intraspinal neoplasms 3 C700-C729, C751-C753 8000-8005 15
3.6.2 Unspec. ben/border intracran. and intraspin. Neo. 0, 1 C700-C729, C751-C753 8000-8005 16
4. Osseous & Chondromatous Neoplasms
4.1 Osteosarcoma 3 C000-C809 9180-9187, 9192-9194 17
4.2 Chondrosarcoma 3 C000-C809 9220-9221, 9230-9231, 9240, 9242-9243 18
4.3 Ewing tumor 3 C000-C809 9260, 9364-9365 19
4.4 Other specified and unspecified bone tumors 3 C000-C809 8812, 9250, 9261, 9370-9372 20
3 C400-C419 8000-8005, 8800-8803, 8805-8806, 9200 20
5. Soft Tissue Sarcomas
5.1 Fibromatous neoplasms 3 C000-C809 8810-8811, 8813-8815, 8820-8824, 8830, 8832-8833, 8835-8836, 9252 21
5.2 Rhabdomyosarcoma 3 C000-C809 8900-8904, 8910, 8912, 8920-8921, 8991 22
5.3 Other soft tissue sarcoma
5.3.1 Specified soft tissue sarcoma
5.3.1.1 Specified (excluding Kaposi sarcoma) 3 C000-C809 8804, 8825, 8840-8897, 8982-8983, 8990, 9040-9044, 9120-9139, 9141-9150, 9170, 9251, 9561, 9580-9581 23
3 C000-C699, C730-C750, C754-C809 9540, 9560, 9571 23
5.3.1.2 Kaposi sarcoma 3 C000-C809 9140 24
5.3.2 Unspecified soft tissue sarcoma 3 C000-C399, C420-C809 8800-8803, 8805-8806 25
6. Germ Cell and Trophoblastic Neoplasms
6.1 Germ cell and trophoblastic neoplasms of gonads 3 C569, C620-C629 9060-9065, 9070-9073, 9080-9085, 9090-9091, 9100-9102, 9105 26
6.2 Germ cell and trophoblastic neoplasms of nongonadal sites
6.2.1 Intracranial (all behaviors) 0, 1, 3 C700-C729, C751-C753 9060-9065, 9070-9073, 9080-9085, 9090-9091, 9100-9102, 9105 27
6.2.2 Other nongonadal 3 C000-C568, C570-C619, C630-C699, C730-C750, C754-C809 9060-9065, 9070-9073, 9080-9085, 9090-9091, 9100-9102, 9104-9105 28
7. Melanoma and Skin Carcinomas
7.1 Melanoma 3 C000-C809 8720-8723, 8726, 8728, 8730, 8740-8746, 8761, 8770-8774, 8780 29
7.2 Skin carcinomas 3 C440-C449 8010-8589 30
8. Carcinomas
8.1 Thyroid carcinoma 3 C739 8010-8589 31
8.2 Other carcinoma of head and neck
8.2.1 Nasopharyngeal carcinoma 3 C110-C119 8010-8589 32
8.2.2 Other sites in lip, oral cavity and pharynx 3 C000-C109, C120-C148 8010-8589 33
8.2.3 Nasal cav, mid ear, sinuses, larynx, oth ill-def head/neck 3 C300-C329, C760 8010-8589 34
8.3 Carcinoma of trachea, bronchus, and lung 3 C330-C349 8010-8589 35
8.4 Carcinoma of breast 3 C500-C509 8010-8589 36
8.5 Carcinoma of genitourinary tract
8.5.1 Carcinoma of kidney 3 C649 8010-8589 37
8.5.2 Carcinoma of bladder 3 C670-C679 8010-8589 38
8.5.3 Carcinoma of gonads 3 C569, C620-C629 8010-8589 39
3 C000-C809 8590-8593 39
8.5.4 Carcinoma of cervix and uterus 3 C530-C559 8010-8589 40
8.5.5 Carc of other and ill-def sites, geniourinary tract 3 C510-C529, C570-C579, C600-C619, C630-C639, C659, C669, C680-C689 8010-8589 41
8.6 Carcinoma of gastrointestinal tract
8.6.1 Carcinoma of colon and rectum 3 C180-C218 8010-8589 42
8.6.2 Carcinoma of stomach 3 C160-C169 8010-8589 43
8.6.3 Carcinoma of liver and intrahepatic bile ducts 3 C220-C221 8010-8589 44
8.6.4 Carcinoma of pancreas 3 C250-C259 8010-8589 45
8.6.5 Carc other and ill-def sites, gastrointestinal tract 3 C150-C159, C170-C179, C230-C249, C260-C269 8010-8589 46
8.7 Carcinoma of other and ill-def sites
8.7.1 Adrenocortical carcinoma 3 C740-C749 8010-8589 47
8.7.2 Carcinoma of other and ill-defined sites, NOS 3 C149, C219, C222-C229, C270-C299, C350-C439, C450-C499, C561-C568, C580-C599, C640-C648, C650-C658, C660-C668, C690-C738, C750-C759, C761-C809 8010-8589 48
3 C809 9010 48
9. Miscellaneous specified neoplasms, NOS
9.1 Other pediatric and embryonal tumors, NOS
9.1.1 Wilms tumor 3 C000-C809 8959-8960 49
9.1.2 Neuroblastoma 3 C000-C809 9490, 9500 50
9.1.3 Other pediatric and embryonal tumors, NOS 3 C000-C809 8963-8964, 8970-8973, 8981, 9363, 9501-9523 51
9.2 Other specified and embryonal tumors, NOS
9.2.1 Paraganglioma and glomus tumors 3 C000-C809 8680-8711 52
9.2.2 Other specified gonadal tumors 3 C000-C809 8600-8650, 9000 53
3 C569 8670, 9013-9015, 9054 53
9.2.3 Myeloma, mast cell, misc. lymphoreticular neo., NOS 3 C000-C809 9724, 9731-9734, 9740-9741, 9743-9764, 9766, 9769, 9960, 9965-9967, 9970-9971 54
9.2.4 Other specified neoplasms, NOS 3 C000-C809 8930-8951, 8980, 9020, 9050-9053, 9110, 9160, 9270-9330, 9950, 9961-9962, 9975, 9980, 9982, 9989, 9991-9992 55
3 C000-C699, C730-C750, C754-C809 9161 55
10. Unspecified Malignant Neoplasms 3 C000-C399, C420-C699, C730-C750, C754-C809 8000-8005 56
Unclassified       99

* This table was updated for Hematopoietic codes based on WHO Classification of Tumours of Haematopoietic and Lymphoid Tissues (2008).
^ Subject to change based on evolving ICD-O-3 coding rules.