| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 0 | Normal | Normal | ||
| 1 | Mild difficulty. May not swing arms or may tend to drag leg | Mild difficulty. May not swing arms or may tend to drag leg | ||
| 2 | Moderate difficulty, but requires little or no assistance | Moderate difficulty, but requires little or no assistance | ||
| 3 | Severe disturbance of walking, requiring assistance | Severe disturbance of walking, requiring assistance | ||
| 4 | Cannot walk at all, even with assistance | Cannot walk at all, even with assistance |