Collaborative Stage Data Set - Revised 08/30/2013 FINAL
| Code | Description |
| 000 | No involved regional lymph nodes |
| 001-979 | 001 - 979 millimeters (mm) (Exact size to nearest mm) |
| 980 | 980 mm or larger |
| 988 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.) |
| 990 | Microscopic focus or foci only and no size of focus given |
| 991 | Described as "less than 1 centimeter (cm)" |
| 992 | Described as "less than 2 cm" or "greater than 1 cm" or between 1 cm and 2 cm" |
| 993 | Described as "less than 3 cm" or "greater than 2 cm" or "between 2 cm and 3 cm" |
| 994 | Described as "less than 4 cm" or "greater than 3 cm" or "between 3 cm and 4 cm" |
| 995 | Described as "less than 5 cm" or "greater than 4 cm" or "between 4 cm and 5 cm" |
| 996 | Described as "less than 6 cm" or "greater than 5 cm" or "between 5 cm and 6 cm" |
| 997 | Described as "more than 6 cm" |
| 999 | Regional lymph node(s) involved, size not stated Unknown if regional lymph node(s) involved Not documented in patient record |