Collaborative Stage Data Set - Revised 10/31/2010 FINAL
| Code | Description |
| 000 | No mass/tumor found |
| 001-979 | 0.01 9.79 millimeters (mm) (Exact depth to nearest hundredth of mm) Examples: 001 0.01 mm 002 0.02 mm 010 0.1 mm 074 0.74 mm 100 1 mm 105 1.05 mm 979 9.79 mm |
| 980 | 9.80 mm or larger |
| 987 | Not applicable, not squamous cell carcinoma of skin of eyelid |
| 988 | Not applicable: Information not collected for this case (May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.) |
| 990 | Microinvasion Microscopic focus or foci only and no depth given |
| 998 | No histologic examination of primary site |
| 999 | Unknown or no information Not documented in patient record |