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Unit Code 8684:
T4 (Thyroxine), Total and Free

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Reference Values

8724 T4 (THYROXINE), TOTAL ONLY, SERUM

Males:

      0-11 months:  Not established

      1-9 years:  6.0-12.5 ug/dL

      10-23 years:  5.0-11.0 ug/dL

      >or = 24 years:  5.0-12.5 ug/dL

 

Females:

      0-11 months:  Not established

      1-9 years:  6.0-12.5 ug/dL

      10-17 years:  5.0-11.0 ug/dL

      > or = 18 years:  5.0-12.5 ug/dL

 

8725 T4 (THYROXINE), FREE, SERUM

      0.8-1.8 ng/dL

Elevated values are seen in patients on thyroxine therapy.      

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