A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Sedimentation Rate, Westergren (ESR)

Test Code
850


Alias/See Also
sed rate; westergren sed rate; esr


Preferred Specimen
One 5 or 7 mL lavender (EDTA)


Minimum Volume
7 mL whole blood at 20-25°C.  Deliver to lab immediately.


Transport Temperature
7 mL whole blood at 20-25°C.  Deliver to lab immediately.


Specimen Stability
Ambient: 4 hours; Refrigerated: 24 hours; Frozen: Unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Frozen, hemolyzed, or clotted specimens.


Methodology
Westergren

Setup Schedule
Sun-Sat


Report Available
Within 24 hours


Limitations
Specimen should be run within four hours of collection.




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.