LAB VALUES Flashcards
*Activated partial thromboplastin time (aPTT)
30-40 sec (30-40 sec)
For those receiving anticoagulant therapy, aPTT is 1.5–2.5 times control value in seconds.
Alanine aminotransferase (ALT; formerly known as serum glutamate pyruvate transferase [SGPT])
4-36 U/L (4-36 U/L)
Albumin
3.5-5.0 g/dL (35-50 g/L)
Ammonia
10–80 mcg/dL (6–47 mcmol/L)
Amylase
60–120 Somogyi units/dL (100–300 U/L)
Aspartate aminotransferase (AST) (formerly known as serum glutamic oxaloacetic transferase [SGOT])
0-35 U/L (0-35 U/L)
Biliburin
Total: 0.3 - 1.0 mg/dL (5.1 - 17 mcmol/L)
Indirect: 0.2 - 0.8 mg/dL (3.4 - 12 mcmol/L)
Direct: 0.1 - 0.3 mg/dL (1.7 - 5.1 mcmol/L)
Blood Culture
No growth
Bacteremia: Bacteria growing in the blood can often be
grown in the culture medium in the microbiology laboratory.
When bacteremia is suspected, antibiotics should be started
immediately after blood cultures are obtained.
*Blood gases – arterial and venous values
Arterial pH 7.35-7.45 (7.35-7.45) Venous pH 7.31-7.41 (7.31-7.41) PaCO2 35-45 mm Hg (35-45 mm Hg) Arterial PaO2 80-100 mm Hg (80-100 mm Hg) Venous PvO2 40-50 mm Hg (40-50 mm Hg) Bicarbonate 21-28 mEq/L (21-28 mmol/L)
*Blood urea nitrogen (BUN)
10 - 20 mg/dL (3.6 - 7.1 mmol/L)
Calcium
9-10.5 mg/dL (2.25-2.75 mmol/L)
Cerebrospinal Fluid (CSF)
Lumbar Protein: 15-45 mg/dL (0.15-0.45 g/L)
Glucose: 50-75 mg/dL (2.8-4.2 mmol/L)
WBCs (white blood cells): 0-5 cells/mcL (0-5 × 106 /L)
RBCs (red blood cells): negative (negative)
Chloride: 116–122 mmol/L of CSF (116–122 mEq/L of CSF)
Pressure: <20 cm H2O (<20 cm H2O)
Chloride
98-106 mEq/L (98-106 mmol/L)
Cholesterol
<200 mg/dL (<5 mmol/L) age dependent
Note: see below for low density lipoprotein (LDL), high density lipoprotein (HDL), and triglyceride levels
Creatine Kinase (CK)
Male: 55-170 U/L (55-170 U/L)
Female: 30-135 U/L (30-135 U/L)
Creatine kinase isozyme of heart
CK-MB (CK-2)
male: 2 -6 ng/mL (2 - 6 mcg/L)
female: 2 - 5 ng/mL (2 - 5 mcg/L)
*Creatinine
male, 0.6-1.2 mg/dL (53-106 mcmol/L)
female 0.5-1.1 mg/dL (44-97 mcmol/L)
D-dimer
<50 ng/mL (<3.0 mmol/L)
Erythrocyte sedimentation rate (ESR),
Westergren
Male: ≤15 mm/hr (≤15 mm/hr)
Female: ≤20 mm/hr (≤20 mm/hr)
Ferritin (serum)
Male: 12-300 ng/mL (12-300 ng/L)
Female: 10-150 ng/mL (10-150 ng/L)
Fibrinogen
60 - 100 mg/dL (2.0–5.0 g/L)
*Glucose, fasting
70-99 mg/dL (3.9-5.5 mmol/L)
Glomerular filtration rate (GFR)
> 60 mL/min/1.73 m2 (age dependent)
High density lipoprotein (HDL)
> 60 mg/dL (>1.55 mmol/L)
Hematocrit (altitude dependent)
Male: 42-52% (0.42-0.52 volume fraction)
Female: 37-47% (0.37-0.47 volume fraction)
Hemoglobin (altitude dependent)
Male: 14-18 g/Dl (140-180 mmol/L)
Female: 12-16 g/Dl (120-160 mmol/L)
Hemoglobin, glycosylated or glycated (HbA1c [A1c])
<6% (adult without diabetes)
Homocysteine (dependent on gender
and age)
4.5 -11.9 mcmol/L (4.5 -11.9 mcmol/L)
*International normalized ratio (INR)
0.81-1.2 (0.81-1.2)
Lactic acid (venous)
5–20 mg/dL (0.6–2.2 mmol/L)
Low density lipoprotein (LDL)
<100 mg/dL (<2.59 mmol/L)
Lipase
0 – 160 U/L (0 – 160 U/L)
Magnesium
1.8–2.6 mEq/L (0.74–1.07 mmol/L)
Myoglobin
<90 ng/mL (1.0–5.3 nmol/L)
B-type natriuretic peptide
<100 ng/mL (<100 mcg/L)
Oxygen Saturation
Arterial: 95%-100% (95%-100%)
Venous: 60%-80% (60%-80%)
Phosphatase alkaline (ALP)
38-126 U/L (0.65-2.14 μkat/L)
Phosphorus, phosphate
3.0-4.5 mg/dL (0.97-1.45 mmol/L)
*Platelets
150,000-400,000/mm3 (150-400 × 109 /L)
*Potassium
3.5-5.0 mEq/L (3.5-5.0 mmol/L)
Protein Total
6.4-8.3 g/dL (64-83 g/dL)
Prothrombin time (Protime, PT)
11-12.5 sec (11-12.5 sec)
For those receiving anticoagulant therapy, PT is 1.5–2.0 times control value in seconds.
Red blood cells
Male: 4.7–6.2 × 1012/L (4.7–6.2 × 1012/L)
Female: 4.2–5.4 × 1012/L (4.2–5.4 × 1012/L)
*Sodium
135-145 mEq/L (135-145 mmol/L)
Specific gravity urine, Random
1.003-1.030 (same as conventional units)
Thyroid stimulating hormone (TSH)
2–10 mcIU/mL (2–10 Miu/L)
Thyroxine (T4), total
5–12 mcg/dL (64–154 nmol/L)
Thyroxine (T4), free
0.8–2.8 ng/dL (10–36 pmol/L)
Triglycerides
Female:35-135 mg/dL(0.40-1.52 mmol/L)
Male: 40-160 mg/dL (0.45-1.81 mmol/L)
Troponin I (cTnI)
<0.35 ng/mL (<0.35 mcg/L)
Troponin T (cTnT)
<0.1 ng/mL (<0.1 mcg/L)
Uric acid
Male: 4.0-8.5 mg/dL (240-501 mcmol/L)
Female: 2.7-7.3 mg/dL (160-430 mcmol/L)
Urine
bilirubin, glucose, hemoglobin negative
Ph 4.0-8.0
protein 0-trace
specific gravity 1.003-1.030
Vitamin D (Total 25-hydroxyvitamin D)
30–80 ng/mL (75–200 nmol/L)
*White blood cell (WBC) count
5000-10,000/mm3 (5-10 × 10 9/L)
Segmented Neutrophils
62-68% (2.5-7.5 × 10 9/L)
Band Neutrophils
0-9% (0-1 × 10 9/L)
Lymphocytes
1000-4000/mm3 - 20-40% (0.1-0.4 × 109
/L)
Monocytes
100-700/mm3 - 2-8% (0.1-0.7 × 109
/L)
Eosinophils
50-100/mm3 - 1-4% (0.00-0.5 × 109
/L)
Basophils
15-50/mm3 - 0.5-1% (0.02-0.05 × 109
/L)
