8904: THIOPURINE METABOLITES
- Thiopurine Metabolites
- 3 mL
- Whole Blood
- Lavender Top Tube
*The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.
- 3 mL WHOLE BLOOD
- Collect blood in lavender-top (EDTA) tube only. Gently invert to mix. Submit whole blood refrigerated. Do not separate specimen. Do not freeze.
- Stable refrigerated for 14 days. Stable at room temperature for one day. Unstable frozen.