C15.9 is the authoritative medical code for Malignant neoplasm of esophagus, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of esophagus, unspecified (ICD-10-CM C15.9), 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 C15.9 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.
Supplementary codes the tabular list directs you to add.
Per Excludes1 instructions, C15.9 must not be reported with: Kaposi's sarcoma of gastrointestinal sites (C46.4).
Per Excludes2 instructions, C15.9 and the following may both be reported when both are present: gastrointestinal stromal tumors (C49.A-).
Use additional code(s) to specify: code to identify:; alcohol abuse and dependence (F10.-).
Official ICD-10-CM classifications in the same code family as C15.9, with their registry titles.
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: