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Theophylline Level
MessageCollect as trough just prior to next Dose. Collect a full tube, following standard venipuncture techniques. Gold SST is not acceptable
Test Code
LAB35 THEOP
Alias/See Also
THEOP
CPT Codes
80198
Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Minimum Testing Volume: 0.2 mL Serum/Plasma Transport Temperature: Ambient Stability: Ambient: 6 daysRefrigerated : 7 daysFrozen: 90 days Causes for Rejection: Serum separator tube (SST)
Report Available
3-Days
Clinical Significance
1230170406
Last Updated: May 18, 2026