CPT/HCPCS
80165
Order Code
CH770
Turnaround Time
48 hours
Specimen Requirements
Specimen Source
Serum, Plasma
Transport Container
(Specimen Container)
(Specimen Container)
Red Top (No additive)
Preferred Specimens
Serum
Minimum Volume (uL)
3mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Refrigerated (cold packs)
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 48 hours |
| Refrigerated | 7 days |
| Frozen | 60 days |
Reject Criteria
Serum separator tube (SST)
Special Instructions
Do not use gel barrier tubes. Centrifuge and immediately separate serum or plasma specimens from the cells into clean transport tube. Patient Preparation: Avoid contact of samples with plasticizers, varnishes, paint fumes, and fatty acids. Collect as trough just before next dose (optimum time to collect sample: 1 hour before next dose)
Test Details
Methodology
Immunoassay (IA)
Reference Ranges
4.8-17.3 mg/L
