Updated Test
Effective Date
11/07/2023
Included in Report
Updated Test
Updated Test
Notes
Mayo #DLAC
Change specimen prep, min volume, alternate specimen, stability, methodology, TAT, performed days
Specimen Information
Specimen Preparation
| Previous: | Updated To: |
|---|---|
Centrifuge, separate, and send 0.5 mL plasma in a screw capped plastic vial. If collecting in sodium heparin tube, centrifuge within one hour. |
Alternate Specimen
| Previous: | Updated To: |
|---|---|
| Plasma: Green sodium heparin |
Minimum Volume
| Previous: | Updated To: |
|---|---|
| 0.2 mL |
Stability
| Previous: | Updated To: |
|---|---|
| Room temperature: 91 days | |
| Refrigerated: 91 days | |
| Frozen: 91 days |
Methodology
| Previous: | Updated To: |
|---|---|
| Gas Chromatography-Mass Spectrometry (GCMS) Stable Isotope Dilution Analysis |
Days Performed
| Previous: | Updated To: |
|---|---|
| Monday, Thursday |
Turnaround Time
| Previous: | Updated To: |
|---|---|
| 5 - 8 days |