REF MISC
Estradiol, Free
Synonyms:
Free Estradiol
Performing Lab:
Referral Laboratory
Container Type:
Gel-barrier or red-top tube
Specimen Type:
Serum
Preferred Volume:
3 mL
Minimum Volume:
1 mL
Specimen Processing:
Serum must be separated from cells within 45 minutes of venipuncture.
Send serum in a plastic transfer tube.
Store and Transport:
Frozen
Stability:
Room Temperature - 1 days
Refrigerated - 6 days
Frozen - 32 months
Unacceptable Condition:
Plasma sample
CPT Codes:
82670, 82681
Method:
Liquid chromatography tandem mass spectrometry (LC/MS/MS); equilibrium dialysis