ICD-10-CM K20: Esophagitis

ICD-10-CM Diagnosis Code (2025)

Official Description for K20

Esophagitis

Coding Notes & Guidelines for K20

Excludes1: Not Coded Here
  • erosion of esophagus (K22.1-)
  • esophagitis with gastro-esophageal reflux disease (K21.0-)
  • reflux esophagitis (K21.0-)
  • ulcerative esophagitis (K22.1-)
Excludes2: Not Included Here

eosinophilic gastritis or gastroenteritis (K52.81)

Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
Inclusion Terms
  • Abscess of esophagus
  • Other esophagitis NOS
Inclusion Terms

Esophagitis NOS

Child Codes (More Specific Codes for K20):

K20.0 - Eosinophilic esophagitis K20.8 - Other esophagitis K20.80 - Other esophagitis without bleeding K20.81 - Other esophagitis with bleeding K20.9 - Esophagitis, unspecified K20.90 - Esophagitis, unspecified without bleeding K20.91 - Esophagitis, unspecified with bleeding

About ICD-10-CM Code K20 (Esophagitis)

ICD-10-CM code K20 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K20 became effective on October 1, 2024.

This page provides detailed information about K20 - Esophagitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Esophagitis.