| Code | Description |
|---|---|
| 000 | No mass/tumor found |
| 001-988 | 001 - 988 millimeters (code exact size in millimeters) |
| 989 | 989 millimeters or larger |
| 990 | Microscopic focus or foci only, no size of focus given |
| 991 | Described as less than 1 cm |
| 992 | Described as less than 2 cm |
| 993 | Described as less than 3 cm |
| 994 | Described as less than 4 cm |
| 995 | Described as less than 5 cm |
| 999 |
|