The Minnesota Office of Cannabis Management (OCM) is providing guidance on how to use lab test batches that have recently been added to Metrc. These lab test batches are called Additional + [Test category] lab test batches; for example, Additional Pesticides or Additional Potency lab test batches. 

Effective August 25, 2026, additional lab test batches should be used for any of the following situations: 

• A license holder evaluates additional risks of a contaminant being introduced to the product through the manufacturing steps and needs to add testing outside of the standard compliance testing. They request the required compliance testing lab test batch and the additional lab test batch based on the increased risk. 
• A license holder requests reanalysis of a batch, and the testing facility uses the additional lab test batch to report the analyte(s). 
• A license holder requests retesting after reanalysis. They request the additional lab test batch that corresponds to the required testing. The testing facility will use the additional lab test batch to report the retested analyte(s). 
• A license holder remediates product and needs to send a sample in for testing. They request the additional lab test batch that corresponds to the required testing. The testing facility uses the additional lab test batch to report the results. 

These additional lab test batches can be used for individual analysis of an analyte or all analytes in a test panel (for example, they can be used to test only butane or all residual solvents). When the results are uploaded for additional lab tests, the sample will not be marked as Test Passed or Test Failed. The test status will be determined by the results of the compliance testing. In the case of use for retesting or post-remediation testing, the testing facility or license holder should inform OCM when testing is complete by sending an email to testing.ocm@state.mn.us. The license holder should then submit a ticket to Metrc Support to request that the test status be updated according to the results from the additional testing.