K23 is the authoritative medical code for Disorders of esophagus in diseases classified elsewhere. This classification is used in medical billing and clinical recording to specify the clinical criteria for disorders of esophagus in diseases classified elsewhere (ICD-10-CM K23), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for K23 in the official ICD-10-CM tabular list.
Conditions that can never be reported with this code; the two are mutually exclusive.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Underlying conditions that must be sequenced before this code.
Per Excludes1 instructions, K23 must not be reported with: late syphilis (A52.79); megaesophagus due to Chagas' disease (B57.31); tuberculosis (A18.83).
Per Excludes2 instructions, K23 and the following may both be reported when both are present: hiatus hernia (K44.-).
Yes. Code first: underlying disease, such as:; congenital syphilis (A50.5).
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: