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Enrichment and Cryopreservation of Plasma Cells

Test ID: G ENRICH CPT Code: N/A
Expected Turnaround Time
2 days
Stated turn-around-times (TATs) are for clinical use only and subject to change based on biopharma protocol requirements. Final TATs will be specified in the biopharma study contract.

Clinical Information
CD138 enrichment of plasma cells or CD19 enrichment of B-cells. Includes cryopreservation if required. Does not include downstream assays such as flow cytometry, FISH probing, or FISH analysis.

Specimen Requirements


Specimen Requirements

CD19 enrichment:

  • Whole Blood: 5 mL, EDTA preferred (NaHep accepted)
  • Bone Marrow Aspirate: 3 mL, EDTA preferred (NaHep accepted)

CD138 enrichment:

  • Bone Marrow Aspirate: 3 mL, EDTA preferred (NaHep accepted)

Specimen Stability

72 hours


Storage Requirements

2°C to 25°C


Shipping Conditions
Ambient, Refrigerated

Shipping Recommendations

AMBIENT, Use a refrigerated (NOT FROZEN) gel pack in the shipment to protect from extreme temperatures. Separate gel pack from specimen. Do not freeze.


Specimen Rejection Criteria

Clotted specimen; Specimen exposed to extreme temperature; Anticoagulant toxic to cells; Insufficient number of cells


Test Details


Test Method
Cell Processing

Methodology Category
FISH

Regulatory Status
RUO

Special Considerations

All attempts will be made to process and report samples received > 72 hours post-collection.  


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