Common Laboratory Tests
COMMON LABORATORY TESTS AND TESTS RESULTS*















*For a description of abbreviations, see p. 1755.
†From National Cholesterol Education Program: Report of the expert panel on blood cholesterol levels in children and adolescents, Pediatrics 89(3 pt 2):527, 1992.
Modified from Kliegman RM, Behrman RE, Jenson HB, et al, editors: Nelson textbook of pediatrics, ed 18, Philadelphia, 2007, Saunders; McMillan JA, Deangelis CD, Feigin RD, and others, editors: Oski’s pediatrics: principles and practice, ed 3, Philadelphia, 1999, Lippincott Williams & Wilkins; and Fischbach F: A manual of laboratory and diagnostic tests, ed 6, Philadelphia, 2000, Lippincott Williams & Wilkins.
ABBREVIATIONS USED IN LABORATORY TESTS
| ABBREVIATION | TERM |
| cap | capillary |
| CHF | congestive heart failure |
| conc. | concentration |
| CSF | cerebrospinal fluid |
| d | day; diem |
| EDTA | ethylenediaminetetraacetate |
| g | gram |
| H+ | hydrogen ion |
| Hb | hemoglobin |
| hr | hour |
| IU | International unit |
| L | liter |
| m | meter |
| mEq | milliequivalent |
| min | minute |
| mm | millimeter |
| mm Hg | millimeters of mercury |
| mm H2O | millimeters of water |
| mm3 | cubic millimeter |
| mo | month |
| mol | mole |
| mOsm | milliosmole |
| Na | sodium |
| Pa | pascal |
| RBC | red blood cells |
| s | second |
| temp | temperature |
| therap. | therapeutic |
| U | international unit of enzyme activity |
| vol | volume |
| WBC | white blood cells |
| wk | week |
| yr | year |
| > | greater than |
| ≥ | greater than or equal to |
| < | less than |
| ≤ | less than or equal to |
| ± | plus/minus |
| ≅ | approximately equal to |