Info

Calculation

Thyroxine, total (T4)

s

4-12 Mg/dl

Immunoassay

Triiodothyronine, total (T3)

s

75-195 ng/dl

Immunoassay

Vanilmandelic acid (VMA)

u

1.4-6.5 mg/day

Liquid chromatography

" Abstracted from C. D. Jordan, J. G. Flood, M. LaPosata, and K. B. Lewandrowski (1992) Normal Reference laboratory values. New England J. Medicine 327, 718-724.

S denotes serum, P plasma, and U urine.

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