| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Amphetamine derivatives | Amphetamine derivatives | Amphetamine derivatives | ||
| Caffeine | Caffeine | Caffeine (Xanthine derivative) | ||
| Theophylline | Theophylline | Theophylline (Xanthine derivative) | ||
| Modafinil | Modafinil | Modafinil | ||
| Other, specify | Other, specify | Other, specify | ||
| Phentermine | Phentermine | Phentermine | ||
| Theobromin | Theobromin | Theobromin (Xanthine derivative) | ||
| Others, specify | Others, specify | Others, specify |