Drug driving blood tests last 5 years
Request
For each of the respective years 2025-26 to date, 2024-25, 2023-24, 2022-23, 2021-22 and 2020-21 can I please ask for the following:
1. The number of blood tests sent to a lab for testing, taken from suspects, suspected of driving under the influence of drugs?
2. How many of these tests took under one month to be returned with a result?
3. How many of these tests took between one to three months to be returned with a result?
4. How many of these tests took between three to six months to be returned with a result?
5. How many of these tests took over six months to be returned with a result?
6. How many of these tests were ‘lost’ or were never returned with a result?
Response
We approached our Regional Scientific Support Services (RSSS) with your request. An analyst has provided the following:
| Collected Year | 1-Month | 1-3 Months | 3-6 Months | Over 6-Months | Not Reported* |
| 2020 | 92 | 342 | 90 | 0 | 0 |
| 2021 | 25 | 429 | 162 | 0 | 0 |
| 2022 | 69 | 259 | 31 | 0 | 0 |
| 2023 | 7 | 74 | 365 | 0 | 0 |
| 2024 | 232 | 119 | 118 | 0 | 0 |
| 2025 | 235 | 154 | 0 | 0 | 0 |
*Please note Not Reported includes “lost” and “never returned with a result”. 2025 data is correct as of 25th September 2025.