Billable / Specific Code
ICD-10-CM K23 is the diagnosis code for Disorders of esophagus in diseases classified elsewhere. This code falls under the section "Diseases of esophagus, stomach and duodenum" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as K23. They are mutually exclusive:
Understanding where K23 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K23 is the ICD-10-CM diagnosis code for "Disorders of esophagus in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
K23 is located in Section K20-K31 — "Diseases of esophagus, stomach and duodenum" within Chapter 11 of the ICD-10-CM Tabular List.
Use K23 when the patients documented diagnosis matches "Disorders of esophagus in diseases classified elsewhere" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Disorders of esophagus in diseases classified elsewhere is K23.
Yes, K23 can be used as a primary diagnosis code since it is billable and specific.
K23 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K23 include: late syphilis (A52.79); megaesophagus due to Chagas' disease (B57.31); tuberculosis (A18.83).
Yes, K23 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.