Critical Lab Values Cheat Sheet, Cheat Sheet of Laboratory Practices and Management

Download Critical Lab Values Cheat Sheet and more Cheat Sheet Laboratory Practices and Management in PDF only on Docsity! LABORATORY VALUES U.S. traditional units are followed in parentheses by equivalent values expressed in S.I. units. Hematology Absolute neutrophil count Male — 1780-5380/µL (1.78-5.38 x 109/L) Female — 1560-6130/µL (1.56-6.13 x 109/L) Activated partial thromboplastin time — 25-35 s Bleeding time — less than 10 min Erythrocyte count — 4.2-5.9 x 106/µL (4.2-5.9 x 1012/L) Erythrocyte sedimentation rate Male — 0-15 mm/h Female — 0-20 mm/h Erythropoietin — less than 30 mU/mL (30 units/L) D-Dimer — less than 0.5 µg/mL (0.5 mg/L) Ferritin, serum — 15-200 ng/mL (15-200 µg/L) Haptoglobin, serum — 50-150 mg/dL (500-1500 mg/L) Hematocrit Male — 41%-51% Female — 36%-47% Hemoglobin, blood Male — 14-17 g/dL (140-170 g/L) Female — 12-16 g/dL (120-160 g/L) Leukocyte alkaline phosphatase — 15-40 mg of phosphorus liberated/h per 1010 cells; score = 13-130/100 polymorphonuclear neutrophils and band forms Leukocyte count — 4000-10,000/µL (4.0-10 x 109/L) Mean corpuscular hemoglobin — 28-32 pg Mean corpuscular hemoglobin concentration — 32-36 g/dL (320-360 g/L) Mean corpuscular volume — 80-100 fL Platelet count — 150,000-350,000/µL (150-350 x 109/L) Prothrombin time — 11-13 s Reticulocyte count — 0.5%-1.5% of erythrocytes; absolute: 23,000-90,000/µL (23-90 x 109/L) Blood, Plasma, and Serum Chemistry Studies Albumin, serum — 3.5-5.5 g/dL (35-55 g/L) Alkaline phosphatase, serum — 36-92 units/L α-Fetoprotein, serum — 0-20 ng/mL (0-20 µg/L) Aminotransferase, alanine (ALT) — 0-35 units/L Aminotransferase, aspartate (AST) — 0-35 units/L Ammonia, plasma — 40-80 µg/dL (23-47 µmol/L) Amylase, serum — 0-130 units/L Bicarbonate, serum — 23-28 meq/L (23-28 mmol/L) Bilirubin, serum Total — 0.3-1.2 mg/dL (5.1-20.5 µmol/L) Direct — 0-0.3 mg/dL (0-5.1 µmol/L) Blood gases, arterial (ambient air) pH — 7.38-7.44 Pco2 — 35-45 mm Hg (4.7-6.0 kPa) Po2 — 80-100 mm Hg (10.6-13.3 kPa) Oxygen saturation — 95% or greater Blood urea nitrogen — 8-20 mg/dL (2.9-7.1 mmol/L) C-reactive protein — 0.0-0.8 mg/dL (0.0-8.0 mg/L) Calcium, serum — 9-10.5 mg/dL (2.2-2.6 mmol/L) Carbon dioxide, serum — See Bicarbonate Chloride, serum — 98-106 meq/L (98-106 mmol/L) Cholesterol, plasma Total — 150-199 mg/dL (3.88-5.15 mmol/L), desirable Low-density lipoprotein (LDL) — less than or equal to 130 mg/dL (3.36 mmol/L), desirable High-density lipoprotein (HDL) — greater than or equal to 40 mg/dL (1.04 mmol/L), desirable Complement, serum C3 — 55-120 mg/dL (550-1200 mg/L) Total (CH50) — 37-55 U/mL (37-55 kU/L) Creatine kinase, serum — 30-170 units/L Creatinine, serum — 0.7-1.3 mg/dL (61.9-115 µmol/L) Electrolytes, serum Sodium — 136-145 meq/L (136-145 mmol/L) Potassium — 3.5-5.0 meq/L (3.5-5.0 mmol/L) Chloride — 98-106 meq/L (98-106 mmol/L) Bicarbonate — 23-28 meq/L (23-28 mmol/L) Fibrinogen, plasma — 150-350 mg/dL (1.5-3.5 g/L) Folate, red cell — 160-855 ng/mL (362-1937 nmol/L) Folate, serum — 2.5-20 ng/mL (5.7-45.3 nmol/L) Glucose, plasma — fasting, 70-100 mg/dL (3.9-5.6 mmol/L) γ-Glutamyltransferase, serum — 0-30 units/L Homocysteine, plasma Male — 0.54-2.16 mg/L (4-16 µmol/L) Female — 0.41-1.89 mg/L (3-14 µmol/L) Immunoglobulins Globulins, total — 2.5-3.5 g/dL (25-35 g/L) IgG — 640-1430 mg/dL (6.4-14.3 g/L) IgA — 70-300 mg/dL (0.7-3.0 g/L) IgM — 20-140 mg/dL (0.2-1.4 g/L) IgD — less than 8 mg/dL (80 mg/L) IgE — 0.01-0.04 mg/dL (0.1-0.4 mg/L) Iron studies Ferritin, serum — 15-200 ng/mL (15-200 µg/L) Iron, serum — 60-160 µg/dL (11-29 µmol/L) Iron-binding capacity, total, serum — 250-460 µg/dL (45-82 µmol/L) Transferrin saturation — 20%-50% Lactate dehydrogenase, serum — 60-100 units/L Lactic acid, venous blood — 6-16 mg/dL (0.67-1.8 mmol/L) Lipase, serum — less than 95 units/L Magnesium, serum — 1.5-2.4 mg/dL (0.62-0.99 mmol/L) Methylmalonic acid, serum — 150-370 nmol/L Osmolality, plasma — 275-295 mosm/kg H2O Phosphatase, alkaline, serum — 36-92 units/L Phosphorus, serum — 3-4.5 mg/dL (0.97-1.45 mmol/L) Potassium, serum — 3.5-5.0 meq/L (3.5-5.0 mmol/L) Prostate-specific antigen, serum – less than 4 ng/mL (4 µg/L) Protein, serum Total — 6.0-7.8 g/dL (60-78 g/L) Albumin — 3.5-5.5 g/dL (35-55 g/L) Globulins, total — 2.5-3.5 g/dL (25-35 g/L) Rheumatoid factor — less than 40 U/mL (40 kU/L) Sodium, serum — 136-145 meq/L (136-145 mmol/L) Transferrin saturation — 20%-50% Triglycerides — less than 150 mg/dL (1.69 mmol/L), desirable Troponins, serum Troponin I — 0-0.5 ng/mL (0-0.5 µg/L) Troponin T — 0-0.10 ng/mL (0-0.10 µg/L) Urea nitrogen, blood — 8-20 mg/dL (2.9-7.1 mmol/L) Uric acid, serum — 2.5-8 mg/dL (0.15-0.47 mmol/L) Vitamin B12, serum — 200-800 pg/mL (148-590 pmol/L)