Specimen:
Collect
- One Red Top
Also Acceptable:
- One Lavender (EDTA)
- One Pink Top (EDTA)
Submit
- 1 mL (Min:0.2 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.2 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
- 1 mL (Min:0.2 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Separate serum from cells ASAP or within 2 hours of collection
Rejection Criteria
- Polymer gel separation tube (SST or PST).
Stability
Ambient: 1 Month(s); Refrigerated: 1 Month(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Varies
Reported
6-11 Day(s)
CPT Codes
- 80198
Components
- 91789 - THEOPHYLLINE
Last Updated: January 8, 2026 @ 10:13 am
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