Extension Size Table

Notes

**Note**: For CS Extension codes 100, 400, 500, 600, 610, and 620 ONLY, the T category is assigned based on the value of CS Tumor Size, as shown in this table.
CS Extension CS Tumor Size AJCC 7 T AJCC 6 T
100, 400, 500, 600, 610, 620 000 ERROR: ERROR:
100, 400, 500, 600, 610, 620 001-020, 990-991 T1 T1
100, 400, 500, 600, 610, 620 021-050 T2 T2
100, 400, 500, 600, 610, 620 051-989 T3 T3
100, 400, 500, 600 992 T1 T1
610 992, 993-994, 995, 999 T2 T2
620 992, 993-994, 995, 996, 999 T3 T3
100, 400, 500, 600 993-994, 995 T2 T2
100, 400, 500, 600, 610 996 T3 T3
100, 400, 500 999 TX TX
600 999 T1 T1
CS Extension CS Tumor Size AJCC 7 T AJCC 6 T
100 000 ERROR: ERROR:
400 000 ERROR: ERROR:
500 000 ERROR: ERROR:
600 000 ERROR: ERROR:
610 000 ERROR: ERROR:
620 000 ERROR: ERROR:
100 001-020 T1 T1
400 001-020 T1 T1
500 001-020 T1 T1
600 001-020 T1 T1
610 001-020 T1 T1
620 001-020 T1 T1
100 021-050 T2 T2
400 021-050 T2 T2
500 021-050 T2 T2
600 021-050 T2 T2
610 021-050 T2 T2
620 021-050 T2 T2
100 051-989 T3 T3
400 051-989 T3 T3
500 051-989 T3 T3
600 051-989 T3 T3
610 051-989 T3 T3
620 051-989 T3 T3
100 990-991 T1 T1
400 990-991 T1 T1
500 990-991 T1 T1
600 990-991 T1 T1
610 990-991 T1 T1
620 990-991 T1 T1
100 992 T1 T1
400 992 T1 T1
500 992 T1 T1
600 992 T1 T1
610 992 T2 T2
620 992 T3 T3
100 993-994 T2 T2
400 993-994 T2 T2
500 993-994 T2 T2
600 993-994 T2 T2
610 993-994 T2 T2
620 993-994 T3 T3
100 995 T2 T2
400 995 T2 T2
500 995 T2 T2
600 995 T2 T2
610 995 T2 T2
620 995 T3 T3
100 996 T3 T3
400 996 T3 T3
500 996 T3 T3
600 996 T3 T3
610 996 T3 T3
620 996 T3 T3
100 999 TX TX
400 999 TX TX
500 999 TX TX
600 999 T1 T1
610 999 T2 T2
620 999 T3 T3