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Test Code T3 Total Triiodothyronine (T3 Total)

Clinical System Name

Triiodothyronine (T3 Total)

Sample Requirements

Specimen:Whole blood

Container(s): Gold SST Microtainer, Gold SST, Lavender/EDTA, Dark Green/Sodium Heparin

Preferred Vol: 1 mL

Minimum Vol: 0.5 mL

 

Note:

 

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: CPA Freezer, Fz1 rack

 

Off-site collection: Spin blood and aliquot serum/plasma in plastic aliquot tube. Send frozen.

Stability

Specimen Type Temperature Time
serum/plasma Room temp 2 h
  Refrigerated 7 d
  Frozen 2 m

 

Availability

STAT Performed TAT
N T, Th, Sa 2-4 d

 

Contact Chemistry Lab for request outside of stated availability. (206) 987-3694

Performing Laboratory

Seattle Children's Laboratory    

 

Department

Department:  Chemistry

Location: Chem East

Phone Number: (206) 987-2617

 

 

Reference Range

 

Age ng/mL
Birth - 5 days 0.58 - 2.97
6 days - 11 months 0.66 - 2.83
1 - 19 years 0.78 - 2.20
20 - adults  0.66 - 2.20

 

Methodology

Method: Competitive Immunoassay with chemiluminiscent detection by Immulite XPI.

Analytical Volume: 0.25 mL

Limitations:

CPT Codes

84480