If you have made an appointment with some doctor and you cannot attend your office because of that appointment then you must write a doctor appointment email to boss.
You can use the Appointment Confirmation Email Template shared in this post in order to draft a customized doctor appointment email to the boss for confirming about the appointment with doctor in a formal manner.
Sample Format for Doctor Appointment Email to Boss
Dear Mr. Andrew,
Kindly accept this letter as a notification that I will not be able to attend the office on December 15th, 2023 as I have a doctor’s appointment scheduled for that particular day.
Do let me know in case you need any more information or documentation in relation with my appointment.
Thanking you.
Sincerely,
Adam Smith
Marketing Executive
Zenith Technologies
New York