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HelpTest Code Total T3 Total T3
Abbrev
TT3
Storage Temperature
R (2-8ºC)
ASTM/HL7/SDF 1
SQ=TT3P
EPIC=LAB136
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
87-178 ng/dl
Methodology
1-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.