Eosinophil cationic protein (ECP)
Last updated: Thursday, 15, April, 2004
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| Item | Process |
|---|---|
| Specimen | 5 mL blood in a plain tube. Broncho-alveolar lavage fluid. |
| Method | Immunoassay. |
| Reference Interval | <13 µg/L. |
| Application | Useful in monitoring childhood asthma where peak flow measurement is impossible. |
| Interpretation | Raised levels indicate increased in vivo eosinophil activity. Levels have been reported to correlate with clinical severity of asthma and with decreased peak flow rates. |
| Reference | Venge P. Clin Exp Allergy 1999; 29(9): 1172-1186. |