Timing, specimen options and instructions reflect the source snapshot.
FROM COLLECTION TO THE LAB
Specimen & handling
Specimen
Serum
Container
Serum Separator Tube (SST) – 0.5 ml serum.
Required volume
Serum Separator Tube (SST) – 0.5 ml serum.
Preparation
None required.
Collection instructions
Serum Separator Tube (SST) – 0.5 ml serum.
Processing
Serum free from hemolysis is the recommended specimens. Follow all precaution for handling biological material. Use all appropriate Personal Protective Equipment (PPE). Allow blood samples to clot (15 mins). Separate the serum from the cells by centrifuging for 10 minutes. Store serum at 2-8°C until analysis.
Storage
Refrigerated.
Stability
Store samples tightly stoppered at Room temperature (15 to 30°C) OR Refrigerate at 2 to 8°C – 7 days. If the assay will not be completed within seven days, freeze at -20°C or colder. Frozen specimens can be stored up to 30 days before testing. Thaw samples only once.
Rejection criteria
1. Any sample that is mislabeled, mismatched or no patient identifiers 2. Any sample without a test request 3. Any broken or damaged tubes 4. Specimens collected in the incorrect tubes. 5. Specimen received outside of stability requirements.
Technical information & codes+
Methodology
Quantitative Electrochemiluminescent Immunoassay
CPT code
84439
Codes are shown for identification from the source snapshot. Confirm current coding and billing information with the laboratory.
