Test Details
Mnemonic
TGFB
Ordering Code
3624080
CPT-4 Code(s)
83520
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, remove serum from cells ASAP or within two hours of collection and send 1.0 mL serum in a screw capped plastic vial. CRITICAL FROZEN.
Separate specimens must be submitted when multiple tests ordered.
Separate specimens must be submitted when multiple tests ordered.
Alternate Specimen
Serum: Red top
Minimum Volume
0.3 mL
Transport Temperature
Critical frozen
Rejection Criteria
Contaminated, severely hemolyzed, heat-inactivated or grossly lipemic specimens
Stability
Room temperature: 30 minutes
Refrigerated: Unacceptable
Frozen: 60 days
Refrigerated: Unacceptable
Frozen: 60 days
Methodology
Quantitative Enzyme-Linked Immunosorbent Assay
Reference Range
16542 - 50426 pg/mL
Performing Laboratory
ARUP
New York DOH Approval Status
Yes