Extension Size Table
Notes
**Note**: For CS Extension codes 100-800, 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, 200, 300, 310, 350, 400, 600, 700, 800 | 000, 998 | ERROR: | ERROR: |
| 100, 200, 300, 310, 350, 400, 600, 700, 800 | 001-080, 990-996 | T1 | T1 |
| 100, 200, 300, 310, 350, 400, 600, 700, 800 | 081-989, 997 | T2 | T2 |
| 100, 200, 300, 400, 600, 700, 800 | 999 | TX | TX |
| 310 | 999 | T1 | T1 |
| 350 | 999 | T2 | T2 |
| CS Extension | CS Tumor Size | AJCC 7 T | AJCC 6 T |
|---|---|---|---|
| 100 | 000 | ERROR: | ERROR: |
| 200 | 000 | ERROR: | ERROR: |
| 300 | 000 | ERROR: | ERROR: |
| 310 | 000 | ERROR: | ERROR: |
| 350 | 000 | ERROR: | ERROR: |
| 400 | 000 | ERROR: | ERROR: |
| 600 | 000 | ERROR: | ERROR: |
| 700 | 000 | ERROR: | ERROR: |
| 800 | 000 | ERROR: | ERROR: |
| 100 | 001-080 | T1 | T1 |
| 200 | 001-080 | T1 | T1 |
| 300 | 001-080 | T1 | T1 |
| 310 | 001-080 | T1 | T1 |
| 350 | 001-080 | T1 | T1 |
| 400 | 001-080 | T1 | T1 |
| 600 | 001-080 | T1 | T1 |
| 700 | 001-080 | T1 | T1 |
| 800 | 001-080 | T1 | T1 |
| 100 | 081-989 | T2 | T2 |
| 200 | 081-989 | T2 | T2 |
| 300 | 081-989 | T2 | T2 |
| 310 | 081-989 | T2 | T2 |
| 350 | 081-989 | T2 | T2 |
| 400 | 081-989 | T2 | T2 |
| 600 | 081-989 | T2 | T2 |
| 700 | 081-989 | T2 | T2 |
| 800 | 081-989 | T2 | T2 |
| 100 | 990-996 | T1 | T1 |
| 200 | 990-996 | T1 | T1 |
| 300 | 990-996 | T1 | T1 |
| 310 | 990-996 | T1 | T1 |
| 350 | 990-996 | T1 | T1 |
| 400 | 990-996 | T1 | T1 |
| 600 | 990-996 | T1 | T1 |
| 700 | 990-996 | T1 | T1 |
| 800 | 990-996 | T1 | T1 |
| 100 | 997 | T2 | T2 |
| 200 | 997 | T2 | T2 |
| 300 | 997 | T2 | T2 |
| 310 | 997 | T2 | T2 |
| 350 | 997 | T2 | T2 |
| 400 | 997 | T2 | T2 |
| 600 | 997 | T2 | T2 |
| 700 | 997 | T2 | T2 |
| 800 | 997 | T2 | T2 |
| 100 | 998 | ERROR: | ERROR: |
| 200 | 998 | ERROR: | ERROR: |
| 300 | 998 | ERROR: | ERROR: |
| 310 | 998 | ERROR: | ERROR: |
| 350 | 998 | ERROR: | ERROR: |
| 400 | 998 | ERROR: | ERROR: |
| 600 | 998 | ERROR: | ERROR: |
| 700 | 998 | ERROR: | ERROR: |
| 800 | 998 | ERROR: | ERROR: |
| 100 | 999 | TX | TX |
| 200 | 999 | TX | TX |
| 300 | 999 | TX | TX |
| 310 | 999 | T1 | T1 |
| 350 | 999 | T2 | T2 |
| 400 | 999 | TX | TX |
| 600 | 999 | TX | TX |
| 700 | 999 | TX | TX |
| 800 | 999 | TX | TX |