| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 4 | Normal Speech processes | Normal Speech processes | ||
| 3 | Detectable speech with disturbances | Detectable speech with disturbances | ||
| 2 | Intelligible with repeating | Intelligible with repeating | ||
| 1 | Speech combined with nonvocal communication | Speech combined with nonvocal communication | ||
| 0 | Loss of useful speech | Loss of useful speech |