At which step does the collector confirm the volume of the specimen?

The collector confirms the volume of the specimen during the fifth step of the collection process. This step is critical because it ensures that the specimen meets the minimum volume requirement for testing. If the volume is insufficient, the integrity of the testing process may be compromised, and it could lead to invalid results or the need for a retest. Confirming the specimen volume at this point allows the collector to document the volume correctly, ensuring compliance with regulatory standards and maintaining the chain of custody for the sample. This thorough verification helps safeguard against potential issues with the testing process, making it an essential part of specimen collection.