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Free Testosterone

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  1. Indications: Altered sex-hormone binding globulin (SHBG)
    1. Low SHBG
      1. Obesity
      2. Type II Diabetes
      3. Hypothyroidism
    2. High SHBG
      1. Older age patient
  2. Normal Levels
    1. Male: 100 to 680 pg/ml
    2. Female: 3 to 22 pg/ml
  3. Calculation of Testosterone Free Index (TFI)
    1. TFI = (Total Testosterone / SHBG) x100

Free testosterone (C0443483)

ConceptsSteroid (T110) , Hormone (T125)
EnglishFree testosterone, Testosterone.free
Spanishtestosterona libre
Parent ConceptsTestosterone (C0039601)
SourcesLNC, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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