Patient Preparation
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Specimen Collection |
- Acceptable Specimen Sources/Type(s)
- Whole blood in serum separator tube (SST)
- Serum in sterile, plastic, screw capped vial
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Specimen Labeling |
- Specimen should be labeled with at least two unique patient identifiers and match accompanying test order.
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Specimen Processing |
- Follow the tube manufacture's processing instructions for collection tubes.
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Specimen Storage and Preservation |
- Specimens may be stored on or off the clot, red blood cells, or separator gel for:
- Up to 72 hours post collection at 2 - 30°C or
- Up to seven (7) days at 2 - 8 °C
- If testing will be delayed more than three (3) days for specimens stored at room temperature or more than seven (7) days for specimens stored at 2 - 8°C, aliquot serum and store at (-20)°C or colder.
- Avoid three (3) or more freeze/thaw cycles.
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Specimen Transportation |
- Ship specimens at 2-8°C on cold packs, if possible. Specimens may be shipped at 2-30°C if receipt at the laboratory will occur within 72 hours of collection.
- Specimen must be placed in an individual biohazard bag with absorbent material and should be shipped to the laboratory on the day of collection.
- All infectious substance shipments must conform to U.S. Department of Transportation (DOT) Hazardous Materials Regulations (HMR 49 C.F.R. Parts 171-180).
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Specimen Acceptability and Rejection |
- Serum specimens collected in serum separator tubes will be accepted. Aliquoted serum in screw cap vials is acceptable.
- Specimens should arrive to the laboratory centrifuged.
- Specimens collected from patients <18 years of age will be rejected.
- Grossly hemolyzed, lipemic, or microbially contaminated specimens will be rejected.
- Specimens with clerical errors in the lab order or on the specimen tube will be rejected.
- Specimens broken in transit will be rejected.
- Specimens leaking in transit may be rejected after assessment of viability and contamination.
- Specimens with insufficient volumes of serum will be rejected.
- Specimens transported or stored at incorrect temperatures will be rejected.
- Specimens received after expiration of viability will be rejected.
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Testing Location |
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