Specimen Requirements

Specimen type MUST be WB Sodium Heparin. 

Collect 6 mL (preferred) whole blood in a sodium heparin tube. Tube must be at least ¾ full (4.5 mL) to maintain proper ratio of blood to anticoagulant. Please see table below specimen information table for other sodium heparin tubes that can also be accepted.

Blood must be drawn Monday through Friday after 7:00 AM CST.

DO NOT SHIP on days when a holiday follows within 2 days of the shipping day.

Ship samples priority overnight Monday through Friday, at ambient temperature on the same day as collection.

Causes for Rejection:

• Whole blood received after stability (32 hours after collection)
• Specimens received in lithium heparin, ACD tubes or EDTA anticoagulants
• Tubes received less than 3/4 full
• Whole blood received cold or frozen

For Pediatric Patients

• Collect whole blood in a sodium heparin tube. Minimum volume required is 4 mL. Tube must be at least ¾ full to maintain proper ratio of blood to anticoagulant. Please see table below specimen information table for other sodium heparin tubes that can also be accepted.
• Blood must be drawn Monday through Friday after 7:00 AM CST.
• DO NOT SHIP on days when a holiday follows within 2 days of the shipping day.
• Ship samples priority overnight Monday through Friday, at ambient temperature on the same day as collection.
• Causes for Rejection:
  • Whole blood received after stability (32 hours after collection)
  • Specimens received in lithium heparin, ACD tubes or EDTA anticoagulant
  • Tubes received less than 3/4 full
  • Whole blood received cold or frozen

ADULT Acceptable Alternate Sodium Heparin Tubes

PEDIATRIC Acceptable Alternate Sodium Heparin Tubes