Collaborative Stage Data Set - Revised 05/26/2013 FINAL
| 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 |