What is the role of lab tests in the diagnosis of esophagitis?

Updated: May 02, 2019
  • Author: Deepika Devuni, MBBS; Chief Editor: BS Anand, MD  more...
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A complete blood (CBC) cell count is performed in patients with neutropenia or who are immunosuppressed.

A CD4 count and human immunodeficiency virus (HIV) test are performed in patients with risk factors for HIV.

A collagen disorder workup (eg, antinuclear antibody [ANA], anti-dsDNA) may be performed based on the underlying disease.

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