Free calculate age-adjusted D-dimer threshold for pulmonary embolism and deep vein thrombosis assessment. Get instant, accurate results with our easy-to-use calculator.
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About Age-Adjusted D-Dimer
• Standard threshold: 0.5 μg/mL (all ages)
• Age-adjusted threshold: Age × 0.01 μg/mL (for age ≥50)
• Higher threshold in older patients reduces false positives