Test Details
Mnemonic
PB19
Ordering Code
3688400
CPT-4 Code(s)
87798
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Centrifuge, separate plasma from cells and send 1.0 mL plasma in a screw capped plastic vial.
SPECIMEN SOURCE REQUIRED.
SPECIMEN SOURCE REQUIRED.
Alternate Specimen
Serum separator tube (SST), CSF, amniotic fluid, bone marrow, synovial fluid. Tissue (freeze immediately) and paraffin embedded tissue block.
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Heparinized specimens, tissues in optimal cutting temperature compound.
Stability
Room temperature: 24 hours
Refrigerated: 5 days
Frozen: 6 months
Bone Marrow:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 7 days
Fresh tissue:
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 6 months
Paraffin-embedded tissue:
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
Refrigerated: 5 days
Frozen: 6 months
Bone Marrow:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 7 days
Fresh tissue:
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 6 months
Paraffin-embedded tissue:
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
Methodology
Qualitative Polymerase Chain Reaction
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes