Abbreviations used in this Laboratory Handbook
| dL = deciliters | mIu = milli international units |
| fL or fl = femtoliter | mL = milliliters |
| g = grams | mm3 = cubic milliliters |
| hr = hour | mmol = millimoles |
| IU = international units | mOsm = milliosmoles |
| kg = kilograms | Neg = negative |
| L = liters | ng = nanograms |
| mcg or μg = micrograms | pg = picograms |
| mcl or μL = microliters | pos = positive |
| mcmol or μmol = micromoles | sec = seconds |
| mEq = milliequivalents | TAT = turn around time |
| mg = milligrams | U = units |
| min = minutes |