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Interference testing with bilirubin, hemoglobin, chyle, and rheumatoid factor.
| Interfering substances | Concentration | Mean % difference in CUC |
|---|---|---|
| Bilirubin F | 201 mg/dL | 1.1 |
| Bilirubin C | 202 mg/dL | 1.1 |
| Hemolytic hemoglobin | 4500 mg/dL | − 0.1 |
| Chyle | 17700 FTU | 5.0 |
| Rheumatoid factor | 500 IU/mL | − 0.6 |
