5611: ESTRADIOL, FREE SERUM
- Estradiol, Free
- 3 mL
- Serum Separator Tube, Plain Red 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 Serum
- Serum must be separated from cells within 45 minutes of venipuncture. Send serum in a plastic transfer tube.
- AMBIENT: 6 days REFRIGERATED: 6 days FROZEN: 32 months