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. 2003;5(Suppl 7):S9–S20.

Table 3.

Diagnostic Tests for Evaluation of Erectile Dysfunction

Recommended

  • Fasting glucose level

  • Glycosylated hemoglobin level

  • Lipid profile

  • Testosterone level (preferably morning)

Optional

  • Prolactin, free and total testosterone, and luteinizing hormone levels

  • Thyroid-stimulating hormone level

  • Complete blood cell count

  • Prostate-specific antigen level

Specialized

  • Vascular evaluations

  • In-office penile injection: pharmacotest (alprostadil or other injectable)

  • Penile color duplex Doppler ultrasonography and pharmacotest

  • Dynamic infusion pharmacocavernosometry and cavernosography

  • Penile arteriography (CT angiography, MRI angiography)

  • Visual erotic stimulation

  • Nocturnal penile tumescence and rigidity test

  • Neurophysiologic testing

  • Psychological testing

CT, computed tomography; MRI, magnetic resonance imaging.