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Test Code LAB4199 T4 TOTAL, (THYROXINE)

Specimen Type

Preferred Sample: Lithium Heparin Plasma (Green/Mint Top)
Alternative Sample: Serum (SST, Gold, Corvac, Tiger, Red Top NO GEL)

 

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Microtainer 0.2 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Sample Stability

Refrigerated: 6 days
 

Method

Immunoassay

Reference Ranges

 

T4 ug/dL  Age /Gender Low Normal

High Normal

  Units
T4, TOTAL 7D-1Y (F) 5.87 13.70 ug/dL
T4, TOTAL 7D-1Y (M) 5.87 13.70 ug/dL
T4, TOTAL 1Y-9Y (F) 6.16 10.3 ug/dL
T4, TOTAL 1Y-9Y (M) 6.16 10.3 ug/dL
T4, TOTAL 9Y-12Y (F) 5.48 9.31 ug/dL
T4, TOTAL 9Y-12Y (M) 5.48 9.31 ug/dL
T4, TOTAL 12Y-14Y (F) 5.08 8.34 ug/dL
T4, TOTAL 12Y-14Y (M) 5.01 8.28 ug/dL
T4, TOTAL 14Y-19Y (F) 5.46 13.0 ug/dL
T4, TOTAL 14Y-19Y (M) 4.68 8.62 ug/dL
T4, TOTAL 19Y-adult (F) 4.87 11.72 ug/dL
T4, TOTAL 19Y-adult (M) 4.87 11.72 ug/dL
T4, TOTAL ADULT 4.87 11.72 ug/dL

           

Reporting Limit

Measuring and reporting range: 3.0-24.0 micro grams/dL

Synonyms

THYROXINE, THYROID, TETRAIODOTHYRONINE, TETRA-IODOTHYRONINE, HORMONE, T4, LAB4199

CPT Code

84436