Which lab studies are performed in the workup of sudden hearing loss?

Updated: Aug 28, 2019
  • Author: Neeraj N Mathur, MBBS, MS, DNB(ENT), MNAMS, FAMS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Routine, non-targeted, laboratory testing is not recommended. [14] Laboratory studies should be directed by the history and physical examination findings.

  • Fluorescent treponemal antibody-absorption (FTA-Abs) for syphilis

  • Antinuclear antibodies (ANA), rheumatoid factor, and erythrocyte sedimentation rate (ESR) for autoimmune diseases

  • International normalized radio (INR), activated partial thromboplastin time (aPTT), and clotting time for coagulopathy

  • CBC count and differential for infection

  • Thyroid-stimulating hormone (TSH) for thyroid disease

  • Fasting blood glucose for diabetes mellitus

  • Cholesterol and triglycerides for hyperlipidemia

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