Abbrev Code:CYAN   
Order Code:LAB972Order Name:Cyanide Level
Methodology:High performance liquid chromatography with fluorescence detection
CPT Codes: 82600 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 5 days.
Special Instructions:Do not order if patient is on nitroprusside.

Collection Instructions

Specimen:Whole Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL
Container:Gray (sodium fluoride + potassium oxalate)
Causes for Rejection:Hemolysis

Processing and Shipping

Specimen Processing:Do not process. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:256


Critical Range:Greater than 1.0 mg/L
Reference Range:

Normal (unexposed population)


Less than 0.025 mg/L


Average 0.41 mg/L


Exposed population:

Levels of less than 0.2 mg/L


levels of 0.5 to 1.0 mg/

Associated with tachycardia and flushing



Levels of 1.0-2.5 mg/L

Associated with obtundation

Levels greater than 2.5 mg/L

Associated with Coma and respiratory depression

Levels greater than 3 mg/L

Associated with Death



Use:Used to assess toxicity of nitroprusside therapy.

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