C15: Malignant neoplasm of esophagus
Codes under C15 (Malignant neoplasm of esophagus). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C15.3 | Malignant neoplasm of upper third of esophagus | ✓ |
| C15.3 | Malignant neoplasm of upper third of esophagus | ✓ |
| C15.4 | Malignant neoplasm of middle third of esophagus | ✓ |
| C15.4 | Malignant neoplasm of middle third of esophagus | ✓ |
| C15.5 | Malignant neoplasm of lower third of esophagus | ✓ |
| C15.5 | Malignant neoplasm of lower third of esophagus | ✓ |
| C15.8 | Malignant neoplasm of overlapping sites of esophagus | ✓ |
| C15.8 | Malignant neoplasm of overlapping sites of esophagus | ✓ |
| C15.9 | Malignant neoplasm of esophagus, unspecified | ✓ |
| C15.9 | Malignant neoplasm of esophagus, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code C15?
C15 is an ICD-10-CM category covering Malignant neoplasm of esophagus. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is C15 a billable code?
No — C15 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C15.3 — Malignant neoplasm of upper third of esophagus). 10 of the 10 codes under C15 are billable.
What codes fall under C15?
C15 includes C15.3, C15.3, C15.4, C15.4, C15.5, plus 5 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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