Routine venipuncture; Collect in EDTA (lavender tube) or Streck
ESR Vacuum Tube.
Lavender Tube 4.0 ml or volume stated on collection tube.
Streck ESR Vacuum Tube 1.2 mL (up to fill line on Tube).
90% of stated tube volume.
Sedimentation rate specimens should not be double labeled with
other Hematopathology tests. Deliver promptly to the lab.
For best results, deliver to lab within
is recommended for samples that may be delayed in delivery to
ESR-Vacuum Tubes preserve the integrity of the patient sample
for up to 4 hours at 18-30░C,
and 72 hours if stored at 2░
EDTA samples are stable up to 4 hours at room temperature and 24
hours when refrigerated.
Causes for Rejection:
QNS, clotted, severely hemolyzed specimen, unrefrigerated
specimen greater than 4 hours old, identification errors.