CPT/HCPCS
84207
Order Code
CH326
Turnaround Time
4 days
Specimen Requirements
Specimen Source
Plasma
Transport Container
(Specimen Container)
(Specimen Container)
EDTA (lavender-top) tube
Preferred Specimens
Light protected
Minimum Volume (uL)
1mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Frozen
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 6 hours |
| Refrigerated | 12 hours |
| Frozen | 6 days |
Reject Criteria
Hemolysis
Lipemia
Received room temperature
Received refrigerated
Special Instructions
Separate cells within 6 hours by centrifugation at 2-8° C (2200-2500 RPM, 800-1000 g) for 5-10 minutes. Transfer plasma to an amber polypropylene or polyethylene transport tube to protect from light. Alternately, neutral color polypropylene or polyethylene tube can be used if wrapped in aluminum foil. Freeze the tubes at -10 to -30° C. Ship frozen. Patient Preparation: Overnight fasting is required
Test Details
Methodology
Chromatography/Mass Spectrometry
Reference Ranges
Not established (0-1 year)
3.0-35.0 ng/mL (2-17 years)
2.1-21.7 ng/mL (≥18 years)
