Lavender (EDTA), 4mL

Draw Mon - Wed ONLY

Immediatley following collection, mix sample by inverting 8 - 10 times to prevent clotting.

1. Do not spin
2. Submit original tube
3. Refrigerate specimen within 30 minutes of collection

Lavender (EDTA), 4mL

Dk green Sodium heparin (Na hep), no gel, 4mL

OR

Dk green Lithium heparin (Li hep), no gel

Immediately following collection, mix sample by inverting 5 - 10 times to prevent clotting.

Dk green heparin (Li or Na), no gel 

Refrigerated (strict) - 72 hours

Ambient - NO

Frozen - NO

Specimens must be received and testing performed by ARUP within 72 hours of collection.

• Grossly hemolyzed blood
• Specimens received room temperature or frozen

Spectrophotometry

See report

For patients with acute hemolysis, a normal red cell osmotic fragility test result cannot exclude an osmotic fragility abnormality since the osmotically labile cells may be hemolyzed and not present. Recommend testing during a state of prolonged homeostasis with stable hematocrit.