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This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes).This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those).
Abbreviations of weights and measures are pronounced using the expansion of the unit (mg = "milligram") and chemical symbols using the chemical expansion (NaCl = "sodium chloride"). Some initialisms deriving from Latin may be pronounced either as letters ( qid = "cue eye dee") or using the English expansion ( qid = "four times a day").
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
Sortable table Abbreviation Meaning Δ: diagnosis; change: ΔΔ: differential diagnosis (the list of possible diagnoses, and the effort to narrow that list) +ve: positive (as in the result of a test)
Used only in veterinary medicine. SIDS: sudden infant death syndrome: SIL: squamous intraepithelial lesion SIMV: synchronized intermittent mechanical ventilation: si op. sit: if needed (from Latin si opus sit) SIRS: systemic inflammatory response syndrome SIT: stress inoculation training (see posttraumatic stress disorder) SJS: Stevens ...
The degree symbol (°), which is commonly used as an abbreviation for hours (e.g., "q 2-4°" for every 2–4 hours), should not be used, since it can be confused with a '0' (zero). Further, the use of the degree symbol for primary, secondary, and tertiary (1°, 2°, and 3°) is discouraged, since the former could be confused with quantities (i ...
Sortable table Abbreviation Meaning o: Nothing [ō—letter o with overbar] O 2: oxygen: OA: osteoarthritis: OAB: Overactive bladder: OAF: osteoclast activating factor
Doctor of Chiropractic: DDS Doctor of Dental Surgery: DHB District Health Board (New Zealand) DI: Digital Imaging Technologist DMD: Doctor of Dental Medicine: DNP: Doctor of Nursing Practice: DO: Doctor of Osteopathic Medicine: DoH: Department of Health (various countries) DNB: Diplomate of National Board India DPT: Doctor of Physical Therapy ...