A Notice of Privacy Practices must include:

The Notice of Privacy Practices is a crucial document in the healthcare field as it informs patients about how their health information is handled. The inclusion of descriptions of the types of uses and disclosures that require patient authorization is vital because it ensures that patients understand their rights and under what circumstances their information can be used or shared. This transparency helps build trust and compliance with privacy regulations.

Additionally, it is important for this notice to be displayed or posted on a healthcare facility's website. Having the notice readily available online ensures easier access for patients, allowing them to review the policies at their convenience and understand their rights regarding personal health information.

While a signature from patients upon their first visit can each be beneficial for confirming understanding and acknowledgment of the privacy practices, it isn't a strict requirement for the notice itself to be valid. However, it often helps in fostering a conversation about privacy rights.

Overall, the comprehensive nature of the Notice of Privacy Practices, encompassing the requirements for descriptions of uses and disclosures, online accessibility, and patient acknowledgment, makes 'all of the above' the most accurate and complete answer to the question. Each of these elements plays a role in ensuring that healthcare providers comply with regulations while informing and protecting patients' privacy rights.