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Centralized Core Laboratory - Mayo Clinic Laboratories : Send Out

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Gray top (potassium oxalate/sodium fluoride) tube: Whole Blood
Collection Volume:
2.0 mL (minimum 0.5 mL)
Cause for Rejection:
hemolyzed specimens
Sent to Mayo Medical Laboratory
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Special Instructions:
Days Performed: MonSun
7-11 days
Additional Info:
Reference range:
  • Normal (unexposed population):
  • Non-smoker: less than 0.025 mg/L
  • Smoker: average 0.41 mg/L
  • Exposed: Levels of less than 0.2 mg/L have been found to be non-toxic; however, levels of 0.5 to 1.0 mg/L have been associated with tachycardia and flushing.
  • Toxic: Levels of 1.0 to 2.5 mg/L have been associated with obtundation, coma and respiratory depression with levels greater than 2.5 mg/L, and death with values greater than 3 mg/L.
  • CPT Code:
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    There are 10 nurses in the picture.

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    The five differences are:
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    The two matching doctors are 9 and 14.

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    The correct path:
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