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HelpTest Code Free T3 Free T3
Abbrev
FT3
Storage Temperature
R (2-8ºC)
ASTM/HL7/SDF 1
SQ=FREET3
EPIC=LAB137
Instrument/Location
Beckman DxI 9000
Specimen Requirements
Specimen
Type: Serum or Plasma (Lithium Heparin)
Container/Tube
Type: Gold Top or Lt. Green Top.
Collection
Instructions: Draw tube and label appropriately.
Allow Gold top tubes to clot for 30 minutes. Spin tubes within 2 hours.
Note: Hemolyzed Specimens are
not acceptable.
Specimen Transport Temperature
Spun tube/Refrigerated
Reference Values
2.5-4.0 pg/ml
Methodology
2-Step Competitive
Specimen stability/Retention time
Specimens are kept in Chemistry for 7 days. This test has a
specimen stability of 48 hours at 2-8 degress C.