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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Thrombin Time - Adult
Adult
14 – 20 seconds
Fibrinogen - Adult
Adult
200 – 400 mg/dL
D-Dimer - Adult (Negative Threshold)
Adult
≤ – 0.5 μg/mL FEU
aPTT (Activated Partial Thromboplastin Time) - Adult
Adult
25 – 35 seconds
INR - Adult
Adult
0.8 – 1.1 ratio
PT (Prothrombin Time) - Adult
Adult
11 – 13.5 seconds