Collaborative Stage for TNM 7 - Revised 11/09/2010 [ Schema ]
| Code | Description | 
| 000 | No ulceration present | 
| 001 | OBSOLETE DATA CONVERTED V0203 See code 010 Ulceration present  | 
| 010 | Ulceration present | 
| 988 | Not applicable:  Information not collected for this case (If this item is required by your standard setter, use of code 988 will result in an edit error.)  | 
| 999 | Unknown or no information Not documented in patient record  |