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Mayo Clinic Laboratories

Test Code CYNB Cyanide, Blood Test

Reporting Name

Cyanide, Blood

Performing Laboratory

NMS Labs


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.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

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

Specimen Type

Whole Blood NaFl-KOx

Day(s) Performed

Monday through Sunday

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

Method Name

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

CPT Code Information

82600

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FCYNB Cyanide, Blood 5634-1

 

Result ID Test Result Name Result LOINC Value
Z5239 Cyanide 5634-1
Z5240 Reporting Limit 19147-8

Report Available

11 to 13 days

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.