Final answer:
The minimum necessary standard under HIPAA is the standard that limits disclosures of protected health information to only the minimum necessary information needed to accomplish the intended purpose. The option (B) is correct.
Step-by-step explanation:
The minimum necessary standard under HIPAA is defined as the standard that limits disclosures of protected health information to only the minimum necessary information needed to accomplish the intended purpose.
The answer that best describes the minimum necessary standard is The standard does not limit disclosures under a patient's valid authorization.
For example, if a patient gives valid authorization for their health care provider to disclose their medical records to another entity, the minimum necessary standard does not limit this disclosure as it is based on the patient's consent. Therefore, option (B) is correct.