Protease Inhibitors
10 days
Phenotype: isoelectric focusing (IEF), total: immunologic
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Identifies genetic variants in α1-antitrypsin deficiency.
Serum
2 mL
Red-top tube or gel-barrier tube
Overnight fasting is preferred
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | 21 days |
| Refrigerated | 21 days |
| Frozen | 21 days |
| Freeze/thaw cycles | stable x2 |