ICD-10-CM Book 2026 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 11 K00-K95 Diseases of the digestive system /
K20-K31 Diseases of esophagus, stomach and duodenum /
K23 Disorders of esophagus in diseases classified elsewhere

  Billable ICD-10-CM Code K23
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)
nonPrimary
Yes