Test Details
Mnemonic
TGFBP
Ordering Code
3600019
CPT-4 Code(s)
83520
Specimen Information
Collect
Lavender
Specimen Preparation
Centrifuge anticoagulated whole blood within 2 hours of collection at 1500 g for 10 minutes. Collect plasma and transfer to fresh tube. Immediately centrifuge plasma at 3000 g for 10 minutes. Collect plasma from upper 2/3 of tube without disturbing lower 1/3 of tube and transfer to fresh tube for storage or transport. Separate plasma fromm cells ASAP or within 2 hours of collection. Send 1.0 mL plasma in a screw capped plastic vial. CRITICAL FROZEN.
Separate specimens must be submitted when multiple tests are ordered.
Separate specimens must be submitted when multiple tests are ordered.
Minimum Volume
0.3 mL
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Contaminated, severely hemolyzed, heat-inactivated or grossly lipemic specimens
Stability
After separation from cells:
Room temperature: 30 minutes
Refrigerated: Unacceptable
Frozen: 60 days
Room temperature: 30 minutes
Refrigerated: Unacceptable
Frozen: 60 days
Methodology
Quantitative Enzyme-Linked Immunosorbent Assay
Reference Range
1654 - 19951 pg/mL
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes