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Timing Abbreviations
abbreviations relevant to time that will be seen in medical records
Abbreviation | Definition |
---|---|
BID | twice a day Latin phrase: bis in die |
TID | three times a day Latin phrase: ter in die |
Q | every x Examples- Q4: every four days, Q4h: every 4 hours |
QD | daily Latin phrase: quaque die |
QID | four times a day Latin phrase: quater in die |
QHS | at night Latin phrase: quaque hora somni |
AC | before meals Latin phrase: ante cibum |
PC | after meals Latin phrase: post cibum |
prn | as needed Latin phrase: per re nata |
ad lib | as desired |