Centralized Core Laboratory:Chemistry
Gray top (Potassium oxalate/Sodium Fluoride) tube: Whole Blood
Call Centralized Core Lab (CCL) to obtain tube if necessary.
2.0 mL (minimum 1.5 mL)
Cause for rejection:
Clotted or hemolyzed specimens
Sent to reference lab Performed: Mon, Wed, Fri
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Keep container tightly capped. Days Performed: Mon-Sun
No laboratory test is available to assess cyanide toxicity in a patient who is on nitroprusside therapy; this test should not be ordered when the patient is on nitroprusside.
Normal: Non-smoker <0.025 mg/L
Smoker average 0.41 mg/L
Toxic: 1.0-3.0 mg/L