TRANSFORMING GROWTH FACTOR BETA, SERUM

Specimen Required
Draw blood in a SST. Centrifuge, remove serum from cells within two hours of collection and send 1.0 mL serum (0.3 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Gross hemolysis, gross lipemia

Methodology
Quantitative Multiplex Bead Assay

Stability
Room temperature: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year

Reference Range
3465 - 13889 pg/mL

Performed
Tuesday

Turnaround Time3-10 days
Test CodeTGFB
CPT-4 Code (s)
83520
LOINC Codes
Not available

Warde
Medical
Laboratory