CS Extension: Renal Pelvis & Ureter

Note: If Extension code is 00 or 05, Behavior Code must be 2. If Extension code is 10, Behavior Code must be 3.

Code	Description	TNM	SS77	SS2000
00	Carcinoma in situ, NOS Non-invasive, intraepithelial	Tis	IS	IS
05	Papillary noninvasive carcinoma	Ta	IS	IS
10	Subepithelial connective tissue (lamina propria, submucosa) invaded	T1	L	L
20	Muscularis invaded	T2	L	L
30	Localized, NOS	T1	L	L
35	Extension to ureter from renal pelvis	T2	RE	RE
40	Extension to adjacent (connective) tissue: Peripelvic/periureteric tissue Retroperitoneal soft/connective tissue	T3	RE	RE
60	For renal pelvis only: Ipsilateral kidney parenchyma and kidney, NOS	T3	RE	RE
62	OBSOLETE, Extension to ureter from renal pelvis, cases coded to 35	T4	RE	RE
63	Psoas muscle from ureter	T4	RE	RE
65	Extension to bladder from ureter Implants in ureter	T4	RE	RE
66	Extension to major blood vessel(s): Aorta Renal artery/vein Vena cava (inferior) Tumor thrombus in a renal vein, NOS	T4	RE	RE
67	Adrenal (suprarenal) gland from renal pelvis	T4	RE	RE
68	Duodenum from right renal pelvis or right ureter	T4	RE	RE
70	Extension to: Ascending colon from right renal pelvis Bladder (wall or mucosa) from renal pelvis Colon, NOS Descending colon from left renal pelvis Ipsilateral kidney parenchyma from ureter Liver Pancreas Perinephric fat via kidney Spleen	T4	D	D
75	Ascending colon from right ureter Descending colon from left ureter	T4	RE	D
80	Further contiguous extension, including: For ureter: Prostate Uterus	T4	D	D
95	No evidence of primary tumor	T0	U	U
99	Unknown extension Primary tumor cannot be assessed Not documented in patient record	TX	U	U