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Test Code FCYNB Cyanide, Blood Test


Specimen Required


***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***

Container/Tube: Gray top (potassium oxalate/sodium fluoride)

Specimen volume: 2 mL

Collection instructions: Collect 2 mL whole blood in potassium oxalate/sodium fluoride Gray top tube, send frozen.


Method Name

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reporting Name

Cyanide, Blood

Specimen Type

Whole Blood NaFl-KOx

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood NaFl-KOx Frozen (preferred) 90 days
  Refrigerated  7 days

Reference Values

Normal: Up to 0.05 mcg/mL

Potentially toxic: 0.50 mcg/mL and greater

Potentially lethal: 2.0 mcg/mL and greater

Day(s) Performed

Monday through Sunday

Report Available

11 to 13 days

Performing Laboratory

NMS Labs

CPT Code Information

82600

Test Classification

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.