Diseases of esophagus, stomach and duodenum (K20-K31)
K23: Disorders of esophagus in diseases classified elsewhere
codeFirst
underlying disease, such as:
congenital syphilis (A50.5)
excludes1
late syphilis (A52.79)
megaesophagus due to Chagas' disease (B57.31)
tuberculosis (A18.83)
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