40100:TRIIODOTHYRONINE (T3), UPTAKE
Author PeaceHealth Laboratories
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| Alias Names: |
T3 UPTAKE |
| Methodology: |
Chemiluminescent Immunoassay (CLIA) |
| Edit Date: |
1/21/2008 |
| Performed: |
Daily |
| Released: |
Same day |
| CPT Code: |
84479 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin) or one 4.5 mL light green plasma separator tube (PST). |
| Handling: |
Allow to clot, centrifuge SST or PST and transport refrigerated in original tube. Do not freeze. Centrifuge green top tube or lavender top tube, separate plasma and pour into a plastic vial. Refrigerate. Freeze if specimen cannot be assayed within 7 daus. Allow no more than one freeze/thaw cycle. |
| Stability: |
8 hours ambient, 7 days refrigerated, or 1 month frozen. |
| Standard Volume: |
0.5 mL serum or plasma. |
| Minimum Volume: |
250 µL serum or plasma. |
| Transport: |
Refrigerated, or frozen on dry ice. |
| Rejection Criteria: |
EDTA; refrigerated specimen received in laboratory more than 7 days after collection; specimen frozen in original tube.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST |