Cyanide
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Cyanide, Blood
Test ID: CYAN
Test
Method
Gas Chromatography
Report Includes
Specimens
Whole blood (EDTA)
Clinical Utility
Evaluation of the severity of a cyanide acute intoxication. Extra-professional exposures: Food, absorption of hypotensive drugs, cigarettes. Professional exposure: Fumes of hydrogen cyanide.
Test Version
12-Dec-2023
Specimen
Specimens
Whole blood (EDTA)
Collection Containers
Lavender Top (EDTA)
Sample Volume
4 mL
Minimum Volume
2 mL
Collection & Handling
Collection Instructions
Sampling must be done soon after exposure because the blood half-life of cyanide is short.
Handling Information
Store and send cold.
Stability
| Refrigerated | 30 days (preferred) |
|---|---|
| Frozen | 2 years |
Rejection Criteria
| Sample | Clotted |
|---|
Test Version
12-Dec-2023
Performance / Interpretation
Method
Gas Chromatography
Turnaround Time
25 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Cyanide | µmol/L |
|
mg/L x 38.4 | |
|
Reported detection limit: 0.4
Nitroprusside is metabolized in cyanide, the impact of therapeutic drugs containing nitroprusside should be considered when testing for occupational exposure. |
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Sample Reports
Test Version
12-Dec-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| CYAN | 20958Cyanide - Blood | umol/L |
Sample Reports
Test Version
12-Dec-2023