CPT/HCPCS
80185
Order Code
CH395
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)
1mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport at Room Temperature
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 5 days |
| Refrigerated | 10 days |
| Frozen | 30 days |
Reject Criteria
Serum separator tube (SST)
Special Instructions
Separate serum from cells within 45 minutes of venipuncture. I.V.: two to four hours after loading dose; oral: peak: three to nine hours after dose, trough: immediately prior to next dose. Optimal re-sampling after change in dosage: 48 hours.
Test Details
Methodology
Spectrophotometry
Reference Ranges
10 – 20 ug/mL
