| < | less than |
| > | more than |
| ¼NS | one-fourth normal saline (0.2%) |
| ⅓NS | one-third normal saline (0.33%) |
| ½NS | one-half normal saline (0.45%) |
| ABGs | arterial blood gases |
| ACE | angiotensin-converting enzyme |
| ACT | activated coagulation time |
| ACTH | adrenocorticotropic hormone |
| AF | atrial fibrillation |
| A/G | albumin-to-globulin ratio |
| AIDS | acquired immunodeficiency syndrome |
| ALT | alanine aminotransferase (SGPT) |
| AMI | acute myocardial infarction |
| ANC | absolute neutrophil count |
| aPTT | activated partial thromboplastin time |
| ARDS | adult respiratory distress syndrome/acute respiratory distress syndrome |
| AST | aspartate aminotransferase (SGOT) |
| AUC | area under the curve |
| AV | atrioventricular |
| BMD | bone mass density |
| BP | blood pressure |
| BSA | body surface area |
| BUN | blood urea nitrogen |
| BWFI | bacteriostatic water for injection |
| C | Celsius |
| Ca | calcium |
| CABG | coronary artery bypass graft |
| CAD | coronary artery disease |
| CAPD | continuous ambulatory peritoneal dialysis |
| CBC | complete blood cell count |
| CDAD | Clostridium difficile–associated diarrhea |
| CHF | congestive heart failure |
| Cl | chloride |
| CMV | cytomegalovirus |
| CNS | central nervous system |
| CO2 | carbon dioxide |
| COPD | chronic obstructive pulmonary disease |
| CPK | creatine kinase |
| CrCl | creatinine clearance |
| CRF | chronic renal failure |
| CRT | controlled room temperature (20°C to 25°C; 68°F to 77°F) |
| CSF | cerebrospinal fluid |
| C/S | culture and sensitivity |
| CTCAE | Common Terminology Criteria for Adverse Events |
| CVA | cerebrovascular accident |
| CVP | central venous pressure |
| D10NS | 10% dextrose in normal saline |
| D10W | 10% dextrose in water |
| D5/¼NS | 5% dextrose in one-quarter normal saline (0.2%) |
| D5/⅓NS | 5% dextrose in one-third normal saline (0.33%) |
| D5/½NS | 5% dextrose in one-half normal saline (0.45%) |
| D5LR | 5% dextrose in lactated Ringer’s solution |
| D5NS | 5% dextrose in normal saline |
| D5R | 5% dextrose in Ringer’s solution |
| D5W | 5% dextrose in water |
| DC | discontinued |
| DEHP | diethylhexylphthalate |
| DIC | disseminated intravascular coagulation |
| dL | deciliter(s) (100 mL) |
| dMMR | deficient mismatch repair |
| DNA | deoxyribonucleic acid |
| ECG | electrocardiogram |
| EEG | electroencephalogram |
| eGFR | estimated glomerular filtration rate |
| ESRD | end-stage renal disease |
| F | Fahrenheit |
| FSH | follicle-stimulating hormone |
| GI | gastrointestinal |
| GFR | glomerular filtration rate |
| GGT | gamma-glutamyl transferase |
| Gm | gram(s) |
| gr | grain(s) |
| gtt | drop(s) |
| GU | genitourinary |
| Hb | hemoglobin |
| Hct | hematocrit |
| HCV | hepatitis C virus |
| Hg | mercury |
| HIV | human immunodeficiency virus |
| hr | hour |
| HR | heart rate |
| HSCT | hematopoietic stem cell transplant |
| IBW | ideal body weight |
| ICU | intensive care unit |
| IgA | immune globulin A |
| IGIV | immune globulin intravenous |
| ÍL | microliters, μL, mm3 |
| IM | intramuscular |
| INR | international normalized ratio |
| IP | intrapleural |
| IU | international unit(s) |
| IV | intravenous |
| IVIG | intravenous immunoglobulin |
| K | potassium |
| KCl | potassium chloride |
| kg | kilogram(s) |
| L | liter(s) |
| lb | pound(s) |
| LDH | lactic dehydrogenase |
| LFT | liver function test |
| LH | luteinizing hormone |
| LR | lactated Ringer’s injection or solution |
| M | molar |
| m2 | meter squared |
| MAO | monoamine oxidase |
| MAP | mean arterial pressure |
| mcg | microgram(s) |
| mCi | millicurie(s) |
| mEq | milliequivalent |
| Mg | magnesium |
| mg | milligram(s) |
| MI | myocardial infarction |
| min | minute |
| mL | milliliter |
| mmol | millimole(s) |
| mm3 | cubic millimeters, μL, ÍL |
| MDRSP | multidrug-resistant Streptococcus pneumoniae |
| MRI | magnetic resonance imaging |
| MSI-H | microsatellite instability-high |
| Na | sodium |
| NaCl | sodium chloride |
| NCI | National Cancer Institute; see CTCAE |
| ng | nanogram (millimicrogram) |
| NS | normal saline (0.9%) |
| NSAID | nonsteroidal anti-inflammatory drug |
| NSCLC | non–small-cell lung cancer |
| NSR | normal sinus rhythm |
| N/V | nausea and vomiting |
| OTC | over-the-counter |
| PAC | premature atrial contraction |
| PaO2 | arterial oxygen pressure |
| PCA | patient-controlled analgesia |
| PCP | Pneumocystis jirovecipneumonia |
| pg | picogram |
| pH | hydrogen ion concentration |
| PML | progressive multifocal leukoencephalopathy |
| PO | by mouth/orally |
| PRCA | pure red cell aplasia |
| PRES | posterior reversible encephalopathy syndrome |
| PSVT | paroxysmal supraventricular tachycardia |
| PT | prothrombin time |
| PTT | partial thromboplastin time |
| PVC | polyvinyl chloride; premature ventricular contraction |
| R | Ringer’s injection or solution |
| RBC | red blood cell |
| refrigerate | temperature at 2°C to 8°C (36°F to 46°F) |
| RNA | ribonucleic acid |
| RPLS | reversible posterior leukoencephalopathy syndrome |
| RT | room temperature |
| RTS | room-temperature stable |
| SA | sinoatrial |
| SC | subcutaneous |
| SIADH | syndrome of inappropriate antidiuretic hormone |
| SOB | shortness of breath |
| SCr | serum creatinine |
| S/S | signs and symptoms |
| SW or SWI | sterile water for injection |
| TEN | toxic epidermal necrolysis |
| TIA | transient ischemic attacks |
| TLS | tumor lysis syndrome |
| TNA | 3-in-1 combination of amino acids, glucose, and fat emulsion |
| TPN | 2-in-1 combination of amino acids and glucose; total parenteral nutrition |
| TRALI | transfusion-related acute lung injury |
| TSH | thyroid-stimulating hormone |
| TT | thrombin time |
| μL | microliters, mm3, ÍL |
| ULN | upper limits of normal |
| URI | upper respiratory infection |
| UTI | urinary tract infection |
| VEGF | vascular endothelial growth factor |
| VF | ventricular fibrillation |
| VS | vital signs |
| VT | ventricular tachycardia |
| v/v | volume-to-volume ratio |
| WBC | white blood cell |
| WBCT | whole blood clotting time |
| w/v | weight-to-volume ratio |
| w/w | weight-to-weight ratio |