Purpose
Exposure Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
82600
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Cyanide CN; Hydrogen Cyanide; Potassium Cyanide High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.05 Environmental/Occupation Toxin

Specimen Type
Blood
Requested Volume
2 mL
Minimum Volume
0.4 mL
Special Handling
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). Samples should not be refrozen if previously thawed. 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.
Specimen Container
Gray top tube (Sodium Fluoride / Potassium Oxalate)

Additional Collection Instructions

Transport Temperature
Frozen
Light Protection
Not Required
Rejection Criteria
Received Refrigerated.

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: Undetermined
Refrigerated: 1 day(s)
Frozen (-20 °C): 3 month(s)
1 Cyanide CN; Hydrogen Cyanide; Potassium Cyanide High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.05 Environmental/Occupation Toxin

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