Final answer:
TRUE. Telephone messages regarding a patient should be documented in the patient's medical record.
Step-by-step explanation:
All telephone messages regarding a patient should be documented in the patient's medical record as an interaction that occurred between the office and the patient. This is important for maintaining an accurate and complete medical history of the patient. Documenting telephone messages helps ensure continuity of care and provides a record of any instructions, discussions, or recommendations provided to the patient over the phone.