Laboratory Services
Theophylline
Print this pageUpdated Test Information:
| Test Description |
Theophylline
|
|
|---|---|---|
| Synonym(s) |
Aminophylline |
|
| Test ID |
THEO
|
|
| Performing Lab |
Labcorp |
|
| Container Type |
Red-top tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant. |
|
| Specimen Type |
Blood |
|
| Specimen Requirements |
1mL Serum/Plasma |
|
| Specimen Collection / Processing Instructions |
Note: serum/plasma must be removed from SST or PST. |
|
| Minimum Sample Volume |
0.5 mL serum/plasma |
|
| Stability |
Room Temperature |
|
| Department (code) |
Chemistry, Harborview (CHH) |
|
| Methodology |
Enzyme Multiplies Immunoassay technique (EMIT) |
|
| Estimated TAT |
1 Day |
|
| Testing Schedule |
Daily |
|
| CPT Code(s) |
80198 |
|
| Reference Range |
10.0 - 20.0 mcg/mL |
|
| STAT Orderable (Y/N) |
Yes |
|
| LOINC Code(s) |
4049-3 |
