| Investigation | Sodium Valproate |
| Indications | Only used to assess lack of compliance. Levels not useful to monitor effectiveness. |
| Specimen Type |  Ochre/Yellow top |
| Request Form | Blood Sciences or Electronic |
| Volume | Fill to line |
| Turn around time for final test | 2 days |
| Uncertainty of testing | Only use in assessing compliance. Refer to therapeutic drug ranges in `The Guide`. |
| Reference range | Target range not recommended |
| Appropriate testing /re-testing interval | 14d |
| Related tests | None |
| HOW TO guides | None |
| Information leaflets | None |
| Publications | None |
| Guidelines | None |