Extension Ulceration T1 AJCC 6 Table

Notes

**Note**: For CS Extension codes 100-800 and 999 ONLY with thickness (CS Site-Specific Factor 1) between 001and 100 (0.01 to 1.00 millimeter (mm)), the T1 category for AJCC 6 staging is based on the value of Clark level of invasion coded in CS Extension and ulceration coded in CS Site-Specific Factor 2.
CS Extension CS SSF 2 Ulceration AJCC 6 T
100, 200 000 T1a
300, 500, 800, 999 000, 999 T1b
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380, 400 000 T1NOS
100, 200, 300, 310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380, 400, 500, 800, 999 001, 988 ERROR:
100, 200, 300, 400, 500, 800, 999 010 T1b
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 010, 999 T1NOS
100, 200, 400 999 T1NOS
CS Extension CS SSF 2 Ulceration AJCC 6 T
100 000 T1a
200 000 T1a
300 000 T1b
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 000 T1NOS
400 000 T1NOS
500 000 T1b
800 000 T1b
999 000 T1b
100 001 ERROR:
200 001 ERROR:
300 001 ERROR:
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 001 ERROR:
400 001 ERROR:
500 001 ERROR:
800 001 ERROR:
999 001 ERROR:
100 010 T1b
200 010 T1b
300 010 T1b
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 010 T1NOS
400 010 T1b
500 010 T1b
800 010 T1b
999 010 T1b
100 988 ERROR:
200 988 ERROR:
300 988 ERROR:
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 988 ERROR:
400 988 ERROR:
500 988 ERROR:
800 988 ERROR:
999 988 ERROR:
100 999 T1NOS
200 999 T1NOS
300 999 T1b
310, 315, 320, 330, 335, 340, 350, 355, 360, 370, 375, 380 999 T1NOS
400 999 T1NOS
500 999 T1b
800 999 T1b
999 999 T1b