K23Billable
Disorders of esophagus in diseases classified elsewhere
- Chapter
- 11. Diseases of the digestive system
- Category
- K23
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code K23?
K23 is an ICD-10-CM diagnosis code for Disorders of esophagus in diseases classified elsewhere.
Is K23 a billable code?
Yes. K23 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is K23 in?
K23 falls under Chapter 11: Diseases of the digestive system.
When did K23 become effective?
K23 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.