Which of the following is NOT required in a chain of custody situation?

In a chain of custody situation, it is essential to accurately document each step of the handling of samples to maintain their integrity and reliability for legal or testing purposes. This is crucial in forensic or legal contexts where the authenticity of the sample could be questioned.

The name of the person collecting the sample, the time of specimen collection, and the type of specimen collected are all critical components of the chain of custody documentation. These elements help verify who handled the sample, when it was taken, and what it is, thereby ensuring that the sample has been properly managed throughout the collection and testing process.

On the other hand, the patient's doctor is not a fundamental requirement in establishing a chain of custody. While knowing the patient's doctor can provide context for the testing or the health background of the patient, it does not directly impact the integrity of the sample itself or the proper documentation required to maintain the chain of custody. This distinction makes it clear why the identification of the patient's doctor is not mandated within the chain of custody framework.