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HelpTEST ID THEO THEOPHYLLINE
Performing Laboratory
NRLS-Core Chemistry
Specimen Type
Plasma/Serum
Specimen Required
Container/Tube:
Preferred: Lithium Heparin (Mint)
Acceptable: Serum gel, Tiger top, Red top
Specimen Volume: 1.0 mL
Collection Instructions:
Plasma gel tubes should be centrifuged within 2 hours of collection. 4 hours is acceptable.
Serum gel tubes should be fully clotted and centrifuged within 2 hours of collection. 4 hours is acceptable.
Red-top tubes should be fully clotted, centrifuged and aliquoted within 2 hours of collection.4 hours is acceptable.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
| Plasma/Serum | Refrigerated(preferred) | 1 month |
| Ambient | 8 hours | |
| Frozen | 3 months |
Reference Values
An interpretive report will be provided