Use to monitor cyanide exposure.
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Gray top tube (Sodium Fluoride / Potassium Oxalate)
1 mL whole blood. (Min: 0.4 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Refrigerated. Also acceptable: Frozen.
Ambient: Undetermined; Refrigerated: 1 week; Frozen: 3 months
Studies have shown that cyanide has variable instability in biological specimens and is particularly unstable in some postmortem specimens. The loss of cyanide can be minimized by shipping the sample to the laboratory for analysis as soon as possible, preferably using refrigerated or frozen transportation and preservation using sodium fluoride/potassium oxalate (grey-top tube). The potential for increases in cyanide concentrations, although rare, have also been demonstrated and may be due to microbial action. Preservation with sodium fluoride may reduce this possibility.
|Component Test Code*||Component Chart Name||LOINC|
|3003040||Cyanide, Whole Blood||5634-1|
- Hydrogen Cyanide
- Potassium Cyanide
National Medical Services (NMS)