Now, physicians must write out the words, once a day, twice a day and so on. They are directions indicating how many times per day the dose should be administered. It goes like this: SID or QD = Once a day. BID = Twice a day. TID = Three times a day. QID = Four times a day.
Professional courtesy means making no charge to anyone, patient or insurance, for medical care. There are no special exceptions in the law that allow professional courtesy to physicians in situations where the same courtesy could not be extended to all patients.ntroduction. Professional courtesy  taking care of the families of other physicians without charge  is a tradition that dates back to Hippocrates. The practice served to build bonds between physicians, and to reduce the incentive for physicians to treat their own families.
In order to qualify with the IRS for the deduction of long-term care, non-medical expenses for either or both of these conditions, the elder or their family must obtain a letter from a licensed health care practitioner who is a physician, a registered nurse or a licensed social worker.