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Approximate diluted/undiluted concentrations and the titers for the D-dimer and fibrin degradation product (FDP) test.
| Test sample/titers | Levels | ||||||
|---|---|---|---|---|---|---|---|
| Undiluted | 1:2 | 1:4 | 1:8 | 1:16 | |||
| D-dimer | D-dimer (μg/ml FEU) | ||||||
| (−) | <0.5 | ||||||
| (+) | (−) | ≥0.5 | <1.0 | ||||
| (+) | (+) | (−) | ≥1.0 | <2.0 | |||
| (+) | (+) | (+) | (−) | ≥2.0 | <4.0 | ||
| (+) | (+) | (+) | (+) | (−) | ≥4.0 | <8.0 | |
| (+) | (+) | (+) | (+) | (+) | ≥8.0 | ||
| FDP | FDP (μg/ml) | ||||||
| 1:2 | 1:8 | ||||||
| (−) | (−) | <5.0 | |||||
| (+) | (−) | ≥5.0 | <20 | ||||
| (+) | (+) | ≥20 | |||||
(+): presence of agglutination; (−): no agglutination.
FEU, fibrinogen equivalent unit.
