Final answer:
The HPI (history of present Illness) must be documented in the medical record by the physician, any office staff member, or the patient. Correct option is 1.
Step-by-step explanation:
The HPI (history of present Illness) must be documented in the medical record by any of the above: 1) the physician, 2) any office staff member, or 3) the patient. The HPI is an important part of a patient's medical record and helps provide a detailed description of the patient's symptoms, their duration, and any factors that aggravate or alleviate the symptoms. It is essential for accurate diagnosis and treatment planning.