Normal Laboratory NBME Reference Values

LABORATORY VALUES (see inside back cover for continuation) * Included in the Biochemical Profile (SMA-12) REFERENCE RANGE SI REFERENCE INTERVALS BLOOD, PLASMA, SERUM * Alanine aminotransferase (ALT), serum ................. 8-20 U/L .................................................... 8-20 U/L Amylase, serum ....................................................... 25-125 U/L ................................................. 25-125 U/L * Aspartate aminotransferase (AST), serum............... 8-20 U/L .....................................................8-20 U/L Bilirubin, serum (adult) Total // Direct ................... 0.1-1.0 mg/dL // 0.0-0.3 mg/dL ................. 2-17 μmol/L // 0-5 μmol/L * Calcium, serum (Ca2+) ............................................. 8.4-10.2 mg/dL........................................... 2.1-2.8 mmol/L * Cholesterol, serum................................................... Rec:<200 mg/dL ....................................... <5.2 mmol/L Cortisol, serum ........................................................ 0800 h: 5-23 μg/dL // 1600 h: 3-15 μg/dL 138-635 nmol/L // 82-413 nmol/L 2000 h: < 50% of 0800 h ........................... Fraction of 0800 h: < 0.50 Creatine kinase, serum ............................................ Male: 25-90 U/L ....................................... 25-90 U/L Female: 10-70 U/L ....................................10-70 U/L * Creatinine, serum .................................................... 0.6-1.2 mg/dL ............................................ 53-106 μmol/L Electrolytes, serum Sodium (Na+) ........................................................ 136-145 mEq/L .......................................... 136-145 mmol/L * Potassium (K+) ...................................................... 3.5-5.0 mEq/L ............................................ 3.5-5.0 mmol/L Chloride (Cl–) ........................................................ 95-105 mEq/L ........................................... 95-105 mmol/L Bicarbonate (HCO3–) ............................................ 22-28 mEq/L ............................................. 22-28 mmol/L Magnesium (Mg2+) ................................................ 1.5-2.0 mEq/L ............................................0.75-1.0 mmol/L Estriol, total, serum (in pregnancy) 24-28 wks // 32-36 wks ......................................... 30-170 ng/mL // 60-280 ng/mL .................104-590 nmol/L // 208-970 nmol/L 28-32 wks // 36-40 wks ......................................... 40-220 ng/mL // 80-350 ng/mL .................140-760 nmol/L // 280-1210 nmol/L Ferritin, serum ......................................................... Male: 15-200 ng/mL .................................15-200 μg/L Female: 12-150 ng/mL ..............................12-150 μg/L Follicle-stimulating hormone, serum/plasma ......... Male: 4-25 mIU/mL ..................................4-25 U/L Female: premenopause 4-30 mIU/mL ....... 4-30 U/L midcycle peak 10-90 mIU/mL ................10-90 U/L postmenopause 40-250 mIU/mL ............ 40-250 U/L Gases, arterial blood (room air) pH ........................................................................ 7.35-7.45 ................................................... [H+] 36-44 nmol/L PCO2 ..................................................................... 33-45 mm Hg ............................................. 4.4-5.9 kPa PO2 ....................................................................... 75-105 mm Hg ........................................... 10.0-14.0 kPa * Glucose, serum ........................................................ Fasting: 70-110 mg/dL .............................. 3.8-6.1 mmol/L 2-h postprandial: < 120 mg/dL .................< 6.6 mmol/L Growth hormone - arginine stimulation .................. Fasting: < 5 ng/mL .................................... < 5 μg/L provocative stimuli: > 7 ng/mL .............. > 7 μg/L Immunoglobulins, serum IgA ....................................................................... 76-390 mg/dL............................................. 0.76-3.90 g/L IgE ........................................................................ 0-380 IU/mL ............................................. 0-380 kIU/L IgG ....................................................................... 650-1500 mg/dL ........................................ 6.5-15 g/L IgM ...................................................................... 40-345 mg/dL ............................................ 0.4-3.45 g/L Iron ......................................................................... 50-170 μg/dL ............................................ 9-30 μmol/L Lactate dehydrogenase, serum ................................ 45-90 U/L ...................................................45-90 U/L Luteinizing hormone, serum/plasma ...................... Male: 6-23 mIU/mL .................................. 6-23 U/L Female: follicular phase 5-30 mIU/mL ..... 5-30 U/L midcycle 75-150 mIU/mL .......................75-150 U/L postmenopause 30-200 mIU/mL ............ 30-200 U/L Osmolality, serum ................................................... 275-295 mOsmol/kg H2O...........................275-295 mOsmol/kg H2O Parathyroid hormone, serum, N-terminal ............... 230-630 pg/mL .......................................... 230-630 ng/L * Phosphatase (alkaline), serum (p-NPP at 30 C) .... 20-70 U/L .................................................. 20-70 U/L * Phosphorus (inorganic), serum ................................ 3.0-4.5 mg/dL ............................................1.0-1.5 mmol/L Prolactin, serum (hPRL) ........................................ < 20 ng/mL ................................................ < 20 μg/L * Proteins, serum Total (recumbent) ................................................. 6.0-7.8 g/dL ............................................... 60-78 g/L Albumin ................................................................ 3.5-5.5 g/dL................................................ 35-55 g/L Globulin ............................................................... 2.3-3.5 g/dL................................................ 23-35 g/L Thyroid-stimulating hormone, serum or plasma...... 0.5-5.0 μU/mL ........................................... 0.5-5.0 mU/L Thyroidal iodine (123I) uptake .................................. 8%-30% of administered dose/24 h ........... 0.08-0.30/24 h Thyroxine (T4), serum ............................................. 5-12 μg/dL ................................................64-155 nmol/L Triglycerides, serum................................................ 35-160 mg/dL............................................. 0.4-1.81 mmol/L Triiodothyronine (T3), serum (RIA) ....................... 115-190 ng/dL ...........................................1.8-2.9 nmol/L Triiodothyronine (T3) resin uptake.......................... 25%-35% .................................................. 0.25-0.35 * Urea nitrogen, serum .............................................. 7-18 mg/dL ................................................ 1.2-3.0 mmol/L * Uric acid, serum ...................................................... 3.0-8.2 mg/dL ............................................ 0.18-0.48 mmol/L LABORATORY VALUES (continued from page 2) REFERENCE RANGE SI REFERENCE INTERVALS BODY MASS INDEX (BMI) 2 Body mass index .......................................................Adult: 19-25 kg/m CEREBROSPINAL FLUID Cell count ..................................................................0-5/mm3 .............................................................0-5 x 106/L Chloride ...................................................................118-132 mEq/L .................................................118-132 mmol/L Gamma globulin ........................................................3%-12% total proteins .......................................0.03-0.12 Glucose ....................................................................40-70 mg/dL .....................................................2.2-3.9 mmol/L Pressure ....................................................................70-180 mm H2O ...............................................70-180 mm H2O Proteins, total ...........................................................<40 mg/dL .......................................................<0.40 g/L HEMATOLOGIC Bleeding time (template) ..........................................2-7 minutes ........................................................2-7 minutes Erythrocyte count ......................................................Male: 4.3-5.9 million/mm3 ................................4.3-5.9 x 10 12/L Female: 3.5-5.5 million/mm3 .............................3.5-5.5 x 1012/L Erythrocyte sedimentation rate (Westergren) ............Male: 0-15 mm/h ..............................................0-15 mm/h Female: 0-20 mm/h............................................0-20 mm/h Hematocrit ...............................................................Male: 41%-53% ...............................................0.41-0.53 Female: 36%-46% .............................................0.36-0.46 Hemoglobin A1c ........................................................< 6% ..................................................................< 0.06 Hemoglobin, blood ...................................................Male: 13.5-17.5 g/dL ........................................2.09-2.71 mmol/L Female: 12.0-16.0 g/dL .....................................1.86-2.48 mmol/L Hemoglobin, plasma .................................................1-4 mg/dL ..........................................................0.16-0.62 mmol/L Leukocyte count and differential Leukocyte count ......................................................4500-11,000/mm3 ..............................................4.5-11.0 x 109/L Segmented neutrophils ..........................................54%-62% ..........................................................0.54-0.62 Bands ....................................................................3%-5% ..............................................................0.03-0.05 Eosinophils ...........................................................1%-3% ..............................................................0.01-0.03 Basophils...............................................................0%-0.75% ..........................................................0-0.0075 Lymphocytes ........................................................25%-33% ...........................................................0.25-0.33 Monocytes ............................................................3%-7% ..............................................................0.03-0.07 Mean corpuscular hemoglobin ..................................25.4-34.6 pg/cell ..............................................0.39-0.54 fmol/cell Mean corpuscular hemoglobin concentration ..........31%-36% Hb/cell .............................................4.81-5.58 mmol Hb/L Mean corpuscular volume ........................................80-100 μm3 ........................................................80-100 fL Partial thromboplastin time (activated) ....................25-40 seconds ....................................................25-40 seconds Platelet count.............................................................150,000-400,000/mm3 .......................................150-400 x 10 9/L Prothrombin time ......................................................11-15 seconds ....................................................11-15 seconds Reticulocyte count.....................................................0.5%-1.5% .........................................................0.005-0.015 Thrombin time ..........................................................<2 seconds deviation from control ...................<2 seconds deviation from control Volume Plasma ....................................................................Male: 25-43 mL/kg............................................0.025-0.043 L/kg Female: 28-45 mL/kg ........................................0.028-0.045 L/kg Red cell ...................................................................Male: 20-36 mL/kg ...........................................0.020-0.036 L/kg Female: 19-31 mL/kg .......................................0.019-0.031 L/kg SWEAT Chloride ....................................................................0-35 mmol/L .....................................................0-35 mmol/L URINE Calcium ....................................................................100-300 mg/24 h ...............................................2.5-7.5 mmol/24 h Chloride ....................................................................Varies with intake..............................................Varies with intake Creatinine clearance ..................................................Male: 97-137 mL/min Female: 88-128 mL/min Estriol, total (in pregnancy) 30 wks .....................................................................6-18 mg/24 h .....................................................21-62 μmol/24 h 35 wks .....................................................................9-28 mg/24 h .....................................................31-97 μmol/24 h 40 wks .....................................................................13-42 mg/24 h ...................................................45-146 μmol/24 h 17-Hydroxycorticosteroids .......................................Male: 3.0-10.0 mg/24 h .....................................8.2-27.6 μmol/24 h Female: 2.0-8.0 mg/24 h....................................5.5-22.0 μmol/24 h 17-Ketosteroids, total ................................................Male: 8-20 mg/24 h ...........................................28-70 μmol/24 h Female: 6-15 mg/24 h........................................21-52 μmol/24 h Osmolality ................................................................50-1400 mOsmol/kg H2O Oxalate ......................................................................8-40 μg/mL .......................................................90-445 μmol/L Potassium .................................................................Varies with diet .................................................Varies with diet Proteins, total ...........................................................<150 mg/24 h ...................................................<0.15 g/24 h Sodium .....................................................................Varies with diet .................................................Varies with diet Uric acid ....................................................................Varies with diet .................................................Varies with diet