K23

Billable

Disorders of esophagus in diseases classified elsewhere

K23 is the ICD-10-CM code for Disorders of esophagus in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Edition
FY2026

K00-K95 Diseases of the digestive system

Excludes1 — not coded here

  • late syphilis (A52.79)
  • megaesophagus due to Chagas' disease (B57.31)
  • tuberculosis (A18.83)

Code first

  • underlying disease, such as:
  • congenital syphilis (A50.5)

Frequently asked questions

What is ICD-10 code K23?
K23 is the ICD-10-CM code for "Disorders of esophagus in diseases classified elsewhere". It falls under K00-K95 Diseases of the digestive system.
Is K23 a billable code?
Yes — K23 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from K23?
Excludes1 (not coded here): late syphilis (A52.79); megaesophagus due to Chagas' disease (B57.31); tuberculosis (A18.83).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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