What is a medical assistant required to document in the electronic health record when administering immunizations?

When administering immunizations, the documentation in the electronic health record must include the lot number of the vaccine. This requirement is crucial for tracking the specific batch of the vaccine administered to the patient. The lot number allows health care providers to monitor the safety and efficacy of the vaccine, as well as to facilitate recall procedures if any issues arise with that particular batch. Furthermore, the lot number is a vital piece of information that authorities, such as the Centers for Disease Control and Prevention (CDC), may require for public health monitoring and reporting.

The other options, while relevant to patient care, do not carry the same level of importance in the context of immunization documentation. For instance, a patient’s health insurance information or date of birth is typically collected for administrative purposes, and while the provider's signature may be necessary for certain records, it is not specifically mandated when documenting the administration of immunizations. The focus here is on ensuring that all vaccine-related data, particularly the lot number, is accurately recorded for both safety and regulatory compliance.