ARUP's Laboratory Test Directory

Cyclosporine A by Tandem Mass Spectrometry : 0070035

Mnemonic: CYA

Methodology: Liquid Chromatography/Tandem Mass Spectrometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 5 mL lavender (EDTA) or gray (K2EDTA).

Storage/Transport Temperature:  1 mL whole blood at 2-8°C. (Min: 0.25 mL) Transfer well-mixed whole blood to a plastic vial prior to shipping.

Unacceptable Conditions:  Clotted samples. Ambient past 24 hours.

Stability (collection to initiation of testing):  Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 2 months
Reference Interval:
Therapeutic Range:
Kidney and heart transplant patients: 
Up to 3 months post-transplant: 350-525 ng/mL
4 months and older post-transplant: 145-350 ng/mL

Liver transplant patients:
290-525 ng/mL
Toxic: greater than 700 ng/mL
CPT Code(s): 80158
Cross References: Neoral, Sandimmune
 
 

 

 

 
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