32242:CREATININE WITH GLOMERULAR FILTRATION RATE (GFR)
Author PeaceHealth Laboratories
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| Methodology: |
Colorimetry/Alkaline Picrate |
| Edit Date: |
6/11/2010 |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
82565 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin), one 4.5 mL light green plasma separator tube (PST), or one 4 mL lavender top tube (EDTA). |
| Handling: |
Centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green top or lavender top tube within 2 hours of collection, separate plasma from cells into a plastic vial for transport. Refrigerate. |
| Stability: |
6 days refrigerated. |
| Standard Volume: |
2 mL serum or plasma |
| Minimum Volume: |
0.5 mL serum or plasma |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Tubes other than those specified. |