K23
K23: Disorders of esophagus in diseases classified elsewhere
Billable / specific codeICD-10-CM
K23 is a billable, specific ICD-10-CM code for disorders of esophagus in diseases classified elsewhere. It is valid for submission on a claim.
Check K23 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Code first
The underlying condition must be sequenced before this code.
- underlying disease, such as:
- congenital syphilis (A50.5)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K23 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
Code history
Unchanged in every release from FY2024 to FY2027.