M2

Step 1 Lab Values

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* Included in the Biochemical Profile (SMA-12)
BLOOD, PLASMA, SERUM REFERENCE RANGE SI REFERENCE INTERVALS
* 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
* 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
Cockroft-Gault equation:
eCcr
=
(140 - Age) x Mass (in kilograms) x [0.85 if Female]
72 x Serum Creatinine (in mg/dL)
BODY MASS INDEX (BMI)
   
Body mass index Adult: 19-25 kg/m2  
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 1012/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 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 109/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
Aa gradient at room at: [150 - (1.25xpCO)]-pO2 Normal = 10 but changes with age.
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