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ESTRADIOL

Message
Collect a full tube, following standard venipuncture techniques.


Test Code
LAB523 ESTRA


Alias/See Also
ESTRA


CPT Codes
82670

Instructions
Processing Instructions (Lab use only): Centrifuge and separate cells after clot formation and within 4 hours of collection. Separate serum from gel within 24 hours. Minimum Testing Volume: 0.5mL Serum Transport Temperature: Refrigerated Stability: Ambient: N/A Refrigerated (ON GEL): 24 hoursRefrigerated (OFF GEL): 7 daysFrozen: > 7 days Avoid multiple freeze/thaw cycles.Causes for Rejection: Serum stored on gel >24 hours, unlabeled, mislabeled, wrong tube type, QNS, hemolysis index >500, gross lipemia (trigs >1000 mg/dl).


Clinical Significance
1230130103



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.