Urethra - CS Extension

Note 1: In case of multifocal noninvasive Ta and Tis tumors, use code 060, 070, or 080 in preference to code 050.
Note 2: If CS Extension code is 050-080, Behavior Code ICD-O-3 must be coded as 2. If CS Extension code is 100 or greater, Behavior Code ICD-O-3 must be coded as 3.
Note 3: The presence of muscle around the urethra varies between males and females and, in males, varies among the segments of the urethra. The outer muscular coat (muscularis) is absent in most of the male urethra except for the membranous portion. In females, the muscle coat is continuous from the bladder wall. In addition, in both males and females, there is sphincteric muscle, which may be smooth or skeletal muscle. Invasion of periurethral muscle is coded 200, unless it is specified as invasion of sphincter muscle, which is coded 400. Invasion of muscle at the neck of the bladder is coded with the bladder neck in 600. If the only information is "invasion of muscle", NOS, or "invasion of periurethral muscle", NOS, assign code 200.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	OBSOLETE DATA CONVERTED V0203 See code 060 Carcinoma in situ, NOS	ERROR	ERROR	ERROR	ERROR
010	OBSOLETE DATA CONVERTED V0203 See code 070 Carcinoma in situ, involvement of prostatic urethra	ERROR	ERROR	ERROR	ERROR
020	OBSOLETE DATA CONVERTED V0203 See code 080 Carcinoma in situ, involvement of prostatic ducts	ERROR	ERROR	ERROR	ERROR
050	Noninvasive papillary, polypoid, or verrucous carcinoma Note: Code 050 does not apply to transitional cell carcinoma of prostatic urethra or prostatic ducts , see codes 070 and 080	Ta	Ta	IS	IS
060	In situ, intraepithelial, noninvasive (flat, sessile), NOS	Tis	Tis	IS	IS
070	In situ, intraepithelial, noninvasive: Involvement of prostatic urethra	Tispu	Tispu	IS	IS
080	In situ, intraepithelial, noninvasive: Involvement of prostatic ducts	Tispd	Tispd	IS	IS
100	Subepithelial connective tissue (lamina propria, submucosa) invaded Stated as T1 with no other information on extension	T1	T1	L	L
200	Muscularis invaded	T2	T2	L	L
300	Localized, NOS	T1	T1	L	L
400	Corpus spongiosum Prostate Sphincter muscle; periurethral muscle specified as sphincter	T2	T2	RE	RE
450	Stated as T2 with no other information on extension	T2	T2	L	L
600	Beyond the prostatic capsule Bladder neck Corpus cavernosum Vagina, anterior or NOS Stated as T3 with no other information on extension	T3	T3	RE	RE
700	Other adjacent organs, including Bladder (excluding bladder neck) Seminal vesicle(s)	T4	T4	D	D
800	Further contiguous extension	T4	T4	D	D
810	Stated as T4 with no other information on extension	T4	T4	D	D
950	No evidence of primary tumor	T0	T0	U	U
999	Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record	TX	TX	U	U