In the Lab Results and EQAS form:
For samples with a Date Received by Lab after 13 April 2021:
- New Confounding Factors with Estimated Concentration mandatory were added.
| Name | Unite of measure | Specific Code | Mandatory |
| Ethyl Glucuronide | µg/mL | ethylglucuronide_est | No |
| carboxy-finasteride | ng/mL | carboxyfinasteride | No |
| 4-hydroxy-dutasteride | ng/mL | 4-hydroxy-dutasteride | No |
| 6-hydroxy-dutasteride | ng/mL | 6-hydroxy-dutasteride | No |
| Ketoconazole | ng/mL | ketoconazole_est | No |
| Fluconazole | ng/mL | fluconazole | No |
| Miconazole | ng/mL | miconazole | No |
2. The following Confounding factors are also required:
| Name | Specific Code | Mandatory |
| Anti-estrogenic substances | anti_estrogens_sub | No |
| Other | other | No |
