" to describe laboratory values. Using the word "



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tarix14.06.2018
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#48523

I prefer the term "Typical" to describe laboratory values. Using the word "Normal" implies that someone falling outside of the given range is "Abnormal" ... and I do not think that is a term that a health care provider should present to their patients.
I prefer to consider someone's laboratory values as "Typical" vs. "Atypical" rather than "Normal" vs. "Abnormal.” Thank you Alan Gault for that one!
Typical “Normal” Laboratory Values that appear on the USMLE Step 1 provided by the NBME and formatted by gmb1994@aol.com.

TYPICAL “Normal” LABORATORY VALUES
REFERENCE RANGE SI REFERENCE INTERVALS

BLOOD, PLASMA, SERUM

* Alanine aminotransferase (ALT, GPT at 30 C) 8-20 U/L 8-20 U/L

Amylase, serum 25-125 U/L 25-125 U/L

* Aspartate aminotransferase (AST, GOT at 30 C) 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 138-635 nmol/L

1600 h: 3-15 μg/dL 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

Chloride (Cl-) 95-105 mEq/L 95-105 mmol/L

* Potassium (K+) 3.5-5.0 mEq/L 3.5-5.0 mmol/L

Bicarbonate (HCO3-) 22-28 mEq/L 22-28 mmol/L

Magnesium (Mg2+) 1.5-2.0 mEq/L 1.5-2.0 mmol/L

Estriol, total, serum (in pregnancy)

24-28 wks // 32-36 wks 30-170 ng/mL // 60-280 ng/mL 104-590 // 208-970 nmol/L

28-32 wks // 36-40 wks 40-220 ng/mL // 80-350 ng/mL 140-760 // 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 275-295 mOsmol/kg

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/mL

* 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 (BUN) 7-18 mg/dL 1.2-3.0 mmol urea/L

* Uric acid, serum 3.0-8.2 mg/dL 0.18-0.48 mmol/L
CEREBROSPINAL FLUID

Cell count 0-5 cells/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 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% of red cells 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

Creatine 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

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
*Included in the Biochemical Profile (SMA-12). By chance alone, at least one false-positive result is expected in almost half the people having 12 tests (SMA-12) and in two thirds of those having 20 tests (SMA-20).
SMA-6 (6 tests) – bicarbonate, chloride, glucose, potassium, sodium, urea nitrogen

SMA-12 (12 tests) – bicarbonate, calcium, chloride, cholesterol, creatinine, glucose, phosphatase (alkaline), potassium, sodium, transaminases (alanine and aspartate), urea nitrogen

SMA-20 (20 tests) – protein (albumin), bicarbonate, bilirubin (direct and total), calcium, chloride, cholesterol, creatinine, gamma-glutamyltransferase, glucose, lactic dehydrogenase, magnesium, phosphatase (alkaline), potassium, protein (total), sodium, transaminases (alanine and aspartate), urea nitrogen, uric acid
Typical “Normal” Laboratory Values that appear on the USMLE Step 1 provided by the NBME and formatted by gmb1994@aol.com.


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