Reference Ranges
Reference Ranges
Reference ranges for common laboratory analytes, broken down by demographic group. For educational reference only.
Educational Reference Only
Reference ranges are provided for general educational purposes and may not apply to your situation. Always rely on the ranges reported by your laboratory and the judgment of your healthcare provider.
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CSF Total Protein - Adult
Adult
15 – 45 mg/dL
CSF Glucose - Adult
Adult
40 – 70 mg/dL
CSF Total Cell Count - Adult
Adult
0 – 5 cells/µL
CRP (C-Reactive Protein) - Adult
Adult
≤ – 3 mg/L
Magnesium - Adult
Adult
1.7 – 2.2 mg/dL
CK-MB (Mass) - Adult
Adult
≤ – 5 ng/mL
CK (Creatine Kinase) Total - Adult Female
Female · Adult
30 – 135 U/L
CK (Creatine Kinase) Total - Adult Male
Male · Adult
55 – 170 U/L
High-Sensitivity Troponin I - Adult (99th Percentile)
Adult
≤ – 0.03 ng/mL
Lipase - Adult
Adult
10 – 140 U/L
Amylase - Adult
Adult
30 – 110 U/L
Transferrin Saturation - Adult
Adult
15 – 45 %
Ferritin - Adult
Adult
12 – 200 ng/mL
TIBC (Total Iron Binding Capacity) - Adult
Adult
240 – 450 µg/dL
Iron (Serum) - Adult
Adult
60 – 170 µg/dL
GGT (Gamma-Glutamyl Transferase) - Adult Female
Female · Adult
5 – 36 U/L
GGT (Gamma-Glutamyl Transferase) - Adult Male
Male · Adult
8 – 61 U/L
Direct (Conjugated) Bilirubin - Adult
Adult
0 – 0.3 mg/dL
BUN/Creatinine Ratio - Adult
Adult
10 – 20 ratio
A/G (Albumin/Globulin) Ratio - Adult
Adult
1.1 – 2.5 ratio
Indirect (Unconjugated) Bilirubin - Adult
Adult
0.1 – 1 mg/dL
Globulin - Adult
Adult
2 – 3.5 g/dL
ALT (Alanine Aminotransferase) - Adult
Adult
7 – 56 U/L
AST (Aspartate Aminotransferase) - Adult
Adult
10 – 40 U/L