| Test | Conventional Units | SI Units |
|---|
| Alanine aminotransferase (ALT, formerly SGPT) | Males: 10-40 U/mL
Females: 8-35 U/mL | Males: 0.17-0.68 μkat/L
Females: 0.14-0.60 μkat/L |
| Alkaline phosphatase | 50-120 IU/mL | 50-120 units/L |
| Ammonia (plasma) | 15-45 μg/dL | 11-32 μmol/L |
| Amylase | 25-125 U/L
Older adults: 24-151 U/L | 0.4-2.1 μkat/L
Older adults: 0.4-2.5 μkat/L |
| Aspartate aminotransferase (AST, formerly SGOT) | Males: 10-40 U/L
Females: 15-30 U/L | Males: 0.34-0.68 μkat/L
Females: 0.25-0.51 μkat/L |
| Bicarbonate | 23-30 mEq/L | 23-30 mmol/L |
| Bilirubin (total) | 0.3-1.0 mg/dL | 5-17 μmol/L |
| Direct | <0.5 mg/dL | <6.8 μmol/L |
| Indirect | 0.1-1.0 mg/dL | 1.7-17.1 μmol/L |
| Blood urea nitrogen (BUN) | 8-20 mg/dL | 2.9-7.5 mmol/L |
| Calcium | 8.8-10.2 mg/dL | 2.052-2.6 mmol/L |
| Carbon dioxide, arterial (whole blood) partial pressure (PaCO 2) | 35-45 mm Hg | 4.66-5.99 kPa |
| Chloride (serum) | 96-106 mEq/L | 96-106 mmol/L |
| Creatine kinase (CK) isoenzymes | MM band present (skeletal muscle); MB band absent (heart muscle) | |
| Creatinine (serum) | Males: 0.4-1.0 mg/dL
Females: 0.6-1.2 mg/dL | Males: 36-90 mmol/L
Females: 71-106 mmol/L |
| Gamma-glutamyl-transpeptidase (GGT) | Males: 20-30 U/L
Females: 1-24 U/L | Males: 0.03-0.05 μkat/L
Females: 0.02-0.04 μkat/L |
| Glucose (blood) | Fasting: 60-110 mg/dL | 3.3-6.05 mmol/L |
| Postprandial (2 hours): 65-140 mg/dL | 3.58-7.7 mmol/L |
| Glycosylated hemoglobin (HbA 1c) | 5.0-7.0% (100-170 mg/dL) | 5.5-9.3 mmol/L |
| Lactate dehydrogenase (LDH) | 140-280 U/L; levels may be slightly increased in older adults because of declining muscle mass and liver function | 2.34-4.68 μkat/L |
| Cholesterol | Males: <205 mg/dL
Females: <190 mg/dL | Males: <5.3 mmol/L
Females: <4.9 mmol/L |
| Triglycerides | Males: 44-180 mg/dL
Females: 10-190 mg/dL | Males: 0.44-2.01 mmol/L
Females: 0.11-2.21 mmol/L |
| Lipase (serum) | <10-140 U/L | <0.17-2.3 μkat/L |
| Magnesium (serum) | 1.8-2.6 mg/dL | 0.74-1.07 mmol/L |
| Osmolality (urine) | 50-1200 mOsm/kg
300-900 mOsm/kg in 24 hours | 50-1200 mmol/L
300-900 mmol/L in 24 hours |
| Phosphorus (inorganic) | 2.7-4.5 mg/dL | 0.87-1.45 mmol/L |
| Potassium (serum) | 3.5-5.0 mEq/L | 3.5-5.0 mmol/L |
| Prostate-specific antigen (PSA) | Age under 60: <3.6 ng/mL
Age over 60: <6.6 ng/mL | Age under 60: <3.6 μg/L
Age over 60: <6.6 μg/L |
| Protein total (urine) | 6.0-8.0 g/dL | 60-80 g/L |
| Albumin | 3.5-5.5 g/dL | 40-55 g/L |
| Globulin | 1.7-3.3 g/dL | 17-33 g/L |
| Thyroxine (T4) total | 5.4-11.5 μg/dL | 57-148 mmol/L |
| Thyroxine, free (FT4) | 0.7-2.0 ng/dL | 10-26 pmol/L |
| Triiodothyronine (T3) total | 80-200 ng/dL | 1.2-3.1 nmol/L |
| Thyroid-binding globulin | 10-26 μg/L | 100-260 μg/L |
| Sodium (serum)Thyroid-stimulating hormone (TSH) | 135-145 mEq/L0-15 mIU/L | 135-145 mmol/L0-15 mIU/L |
| Uric acid | Males: 3.4-7.0 mg/dL
Females: 2.4-6.0 mg/dL | Males: 202-416 μmol/L
Females: 143-357 μmol/L |