82321:OXALATE, SERUM/PLASMA
Author PeaceHealth Laboratories
Modified by
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| Methodology: |
Enzymatic Assay (EA) |
| Edit Date: |
6/11/2010 |
| Performed: |
Wednesday |
| Released: |
24-48 hours after setup at PeaceHealth Laboratories’ reference lab. |
| CPT Code: |
83945-90 |
| Specimen Collection Details |
| Collection: |
One 5 mL red top tube or 4 mL lavender top tube (EDTA). |
| Handling: |
Centrifuge and separate serum or plasma from cells into a plastic vial. |
| Stability: |
5 days ambient (do not transport ambient), 7 days refrigerated, or 7 days frozen. |
| Standard Volume: |
3 mL serum or plasma. |
| Minimum Volume: |
1.2 mL serum or plasma. |
| Transport: |
Refrigerated, on a cold pack. |
| Comments: |
Overexposure/poisoning determination. |
| Rejection Criteria: |
Use of SST, PST, or grey top tube; specimen received ambient. |
