ICD-O-1 and Other 
Pre-ICD-O-2 Codes	ICD-O-2 Codes	ICD-O-3 Codes	
Cancer Site / Type	Site code	Histology code	Site code	Histology code	Site code	Histology code	
Bladder	188.0-188.9	except 9590-9980	C67.0-C67.9	except 9590-9989	C67.0-C67.9	except 9590-9989	
Brain & Central Nervous System (CNS)	191.0-192.9
	See Table 1 below	C70.0-C72.9	See ICD-O codes in Table 1 below	C70.0-C72.9	See Table 2 below	
Breast	174.0-174.9, 175.9	except 9590-9980	C50.0-C50.9	except 9590-9989	C50.0-C50.9	except 9590-9989	
Cervix Uteri	180.0-180.9	except 9590-9980	C53.0-C53.9	except 9590-9989	C53.0-C53.9	except 9590-9989	
Colon & Rectum	153.0-153.9,
154.0, 154.1,
154.9, 159.0	except 9590-9980	C18.0-C18.9,
C19.9, C20.9,
C26.0	except 9590-9989	C18.0-C18.9,
C19.9, C20.9,
C26.0	except 9590-9989	
Corpus Uteri & Uterus, NOS	179.9, 182.0-
182.9	except 9590-9980	C54.0-C54.9,
C55.9	except 9590-9989	C54.0-C54.9,
C55.9	except 9590-9989	
Esophagus	150.0-150.9	except 9590-9980	C15.0-C15.9	except 9590-9989	C15.0-C15.9	except 9590-9989	
Hodgkin’s Disease	140.0-199.9	includes O9650-O9667, P9653-P9683, B9653-B9658	C00.00-C80.9	includes 9650-9667	C00.00-C80.9	includes 9650-9667	
Kidney & 
Renal Pelvis	189.0, 189.1	except 9590-9980	C64.9, C65.9
	except 9590-9989	C64.9, C65.9
	except 9590-9989	
Larynx	161.0-161.9	except 9590-9980	C32.0-C32.9	except 9590-9989	C32.0-C32.9	except 9590-9989	
Leukemia

	140.0-199.9
	includes O9800-O9943, O9951, P9803-P9943, B9803-B9943	1. C00.0-C80.9

AND
2. C42.0, C42.1, C42.4	1. includes 9800-9822, 9824-9826, 9828-9941

2. includes 9823, 9827	1. C00.0-C80.9

AND
2. C42.0, C42.1, C42.4	1. includes 9733, 9742, 9800-9820, 9826, 9831-9948, 9963-9964

2. includes 9823, 9827	
Liver
	155.0	except 9590-9980	C22.0
	except 9590-9989	C22.0
	except 9590-9989	
Lung & Bronchus
	162.2-162.9
	except 9050-9053, 9590-9980	C34.0-C34.9
	except 9590-9989	C34.0-C34.9
	except 9590-9989	
Melanoma	173.0-173.9	includes O8720-O8790, B8723-B8783, P8723-P8783	C44.0-C44.9	includes 8720-8790	C44.0-C44.9	includes 8720-8790	
Multiple Myeloma	140.0-199.9	includes O9730, O9731, O9732, P9733, B9733	C00.0-C80.9	includes 9731, 9732	C00.0-C80.9	includes 9731, 9732, 9734	
Non-Hodgkin's
Lymphoma (NHL)

	140.0-199.9
	includes O9590-O9642, O9670-O9710, O9750, P9593-P9643, P9693-P9713, P9753, B9593-B9643, B9703	1. C00.0-C80.9

AND
2. All sites except C42.0, C42.1, C42.4
	1. includes 9590-9595, 9670-9717

2. includes 9823, 9827	1. C00.0-C80.9

AND
2. All sites except C42.0, C42.1, C42.4
	1. includes 9590-9596, 9670-9729

2. includes 9823, 9827	
Oral Cavity & Pharynx	140.0-149.9	except 9590-9980	C00.0-C14.8	except 9590-9989	C00.0-C14.8	except 9590-9989	
Ovary	183.0	except 9590-9980	C56.9	except 9590-9989	C56.9	except 9590-9989	
Pancreas	157.0-157.9	except 9590-9980	C25.0-C25.9	except 9590-9989	C25.0-C25.9	except 9590-9989	
Prostate	185.0, 185.9	except 9590-9980	C61.9	except 9590-9989	C61.9	except 9590-9989	
Stomach	151.0-151.9	except 9590-9980	C16.0-C16.9	except 9590-9989	C16.0-C16.9	except 9590-9989	
Testis	186.0-186.9	except 9590-9980	C62.0-C62.9	except 9590-9989	C62.0-C62.9	except 9590-9989	
Thyroid	193.9	except 9590-9980	C73.9	except 9590-9989	C73.9	except 9590-9989	
*Note:  Includes invasive tumors only, selected by excluding in situ stages J0, S0, TTISNXM0, TTANXMX, TTANXM0, TTAN0MX, TTISN0M0, TTISNXMX, TTISN0MX, TTISN0M0, TTIN0M0, TTIN0MX, TTINXM0, and TTINXMX (1982-1994 data) or by specifying behavior code (1995-present data).
Table 1: Histology codes for Brain and Central Nervous System  (pre-ICD-O-3)
ICD-O   O	9370, 9380, 9381, 9382, 9390, 9391, 9392, 9400, 9401, 9403, 9410, 9411, 9420, 9421, 9422, 9423, 9424, 9430, 9440, 9441, 9442, 9443, 9450, 9451, 9460, 9470, 9471, 9472, 9473, 9480, 9481, 9490, 9500, 9501, 9502, 9503, 9530, 9539, 9540, 9560, 9561.
SNOP  P	9363, 9383, 9393, 9403, 9413, 9423, 9433, 9443, 9453, 9463, 9473, 9483, 9493, 9503, 9533, 9543, 9563.
HLTHSTT  B	9383, 9393, 9403, 9433, 9443, 9453, 9463, 9473, 9483, 9493, 9503, 9530, 9533, 9537, 9543, 9563.
Table 2: Histology codes for Brain and Central Nervous System  (ICD-O-3)
ICD-O   O	9370, 9371, 9372, 9380, 9381, 9382, 9390, 9391, 9392, 9400, 9401, 9410, 9411, 9420, 9421, 9423, 9424, 9430, 9440, 9441, 9442, 9450, 9451, 9460, 9470, 9471, 9472, 9473, 9474, 9480, 9490, 9500, 9501, 9502, 9503, 9530, 9539, 9540, 9560, 9561, 9571.