Updated Test
Effective Date
11/14/2022
Included in Report
Updated Test
Update to test name.
Transforming Growth Factor beta1, Plasma -> Transforming Growth Factor beta1, Serum
Updated Test
Specimen Information
Collect
| Previous: | Updated To: |
|---|---|
| Deleted: | Added: Lavender |
Specimen Preparation
| Previous: | Updated To: |
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| Added: Centrifuge anticoagulated whole blood within 2 hours of collection at 1500 g for 10 minutes. Collect plasma and transfer to fresh tube. Immediately centrifuge plasma at 3000 g for 10 minutes. Collect plasma from upper 2/3 of tube without disturbing lower 1/3 of tube and transfer to fresh tube for storage or transport. Separate plasma from cells ASAP or within 2 hours of collection. Send 1.0 mL plasma in a screw capped plastic vial. CRITICAL FROZEN | |
| Deleted: | Added: |
| Added: Separate specimens must be submitted when multiple tests are ordered. |
Rejection Criteria
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| Deleted: | Added: Contaminated, severely hemolyzed, heat-inactivated or grossly lipemic specimens |
Stability
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| Added: After separation from cells: | |
| Added: Room temperature: 30 minutes | |
| Added: Refrigerated: Unacceptable | |
| Deleted: | Added: Frozen: 60 days |
Methodology
| Previous: | Updated To: |
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| Deleted: | Added: Quantitative Enzyme-Linked Immunosorbent Assay |
Reference Range
| Previous: | Updated To: |
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| Deleted: | Added: 1654 - 19951 pg/mL |
New York DOH Approval Status
| Previous: | Updated To: |
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| Deleted: | Added: Pending |
Days Performed
| Previous: | Updated To: |
|---|---|
| Deleted: | Added: Monday |