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T3 (Thyroid Hormone)
Test Code1235300420
Alias/See Also
T3
T3 Total
T3 Total
CPT Codes
84480
Preferred Specimen
Serum collected in a gold-top serum separator tube (SST)
Minimum Volume
0.5 mL
Other Acceptable Specimens
Serum collected in a red-top no additive no-gel tube and transferred to a plastic vial
Plasma collected in a green-top lithium heparin plasma separator tube (PST)
Plasma collected in a green-top lithium heparin plasma separator tube (PST)
Instructions
SST/PST: Spin and do not separate. Red-top no-gel tube: Spin and separate serum into a plastic transport vial.
Transport Temperature
Refrigerated
Limitations
Lourdes: Red-top no additive tubes are unacceptable for testing at Lourdes lab.
Performing Laboratory
Guthrie Clinic Lab
Lourdes Hospital Lab
