Im looking at some past blood work.
tests in order
Free T High / low Range
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117.4 pg/ml - 35.0-155.0 pg/ml
4.9 ng/dl Low 5.00-21.00 ng/dl
11.8 pg/ml - 8.7-25.1 pgml
29.1 pg/ml High 8.7-25.1 pg/ml
Why does it say 29.1 is high but not 117.4? Why are the ranges different? Isn't 4.9 ng/dl the same as 49.00 pg/ml, and why is that low when comparing to the (29.1)?