Specimen:
Collect
- One Lavender (EDTA)
Also Acceptable:
- One Pink Top (EDTA)
Submit
- 4 mL (Min:3 mL) Whole blood in Lavender (EDTA). Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 4 mL (Min:3 mL) Whole blood in Pink Top (EDTA). Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Trough collection (within 1 hour prior to the next dose).
Rejection Criteria
- Frozen whole blood
- Hemolyzed specimens
- Lipemic Samples
- Use of separator tubes
Stability
Ambient: 1 Day(s); Refrigerated: 7 Day(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology
- Quantitative Liquid Chromatography-Tendem Mass Spectrometry
Performed
Tuesday, Thursday, Saturday
Reported
2-6 Day(s)
CPT Codes
- 80299
Interpretive Data
Please see report for interpretive data.
Components
- 92084 - 6-THIOGUANINE
- 92085 - 6-MMP
Last Updated: May 19, 2025 @ 9:13 am
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