Blood Test Clinical Significance Chart Page 20

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LUTEINIZING HORMONE
symptoms of a pituitary or
(LH) (CON’T)
hypothalamic disorder
PROLACTIN
Why get tested?
2.64-13.13 ng/mL
To determine whether or
not your prolactin levels are
higher (or occasionally
lower) than normal
When to get tested?
When you have symptoms
of an elevated prolactin,
such as:
galactorrhea
and/or
visual disturbances and
headaches, as part of a
workup for female and male
infertility, and for follow up
of low testosterone in men.
TESTOSTERONE, TOTAL
Why get tested?
175-781 ng/dL
To determine if your
testosterone levels are
abnormal, which may help
to explain difficulty getting
an erection (erectile
dysfunction), inability of
your partner to get pregnant
(infertility), or premature or
delayed puberty if you are
male, or masculine physical
features if you are female
When to get tested?
If you are male and your
doctor thinks that you may
be infertile or if you are
unable to get or maintain an
erection; if you are a boy
with either early or delayed
sexual maturity; if you are a
female but have male traits,
such as a low voice or
excessive body hair, or are
infertile
THYROID STIMULATING
Why get tested?
0.318-5.90 uIU/mL
HORMONE (TSH)
To screen for and diagnose
thyroid disorders; to
monitor treatment of
hypothyroidism
When to get tested?

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