C15Malignant neoplasm of oesophagus
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use C15 directly
Use the most specific code supported by the record.
- Chapter II
- Neoplasms
- Group C00-C97
- Malignant neoplasms U ác tính
- Official Vietnamese name
- U ác tính ở thực quản
- Additional WHO coding guidance
- Note: Two alternative subclassifications are given: .0 - .2 by anatomical description .3 - .5 by thirds This departure from the principle that categories should be mutually exclusive is deliberate, since both forms of terminology are in use but the resulting anatomical divisions are not analogous.
Related C15 codes
C15.0
Primary diagnosis candidate
Cervical part of oesophagus
C15.1
Primary diagnosis candidate
Thoracic part of oesophagus
C15.2
Primary diagnosis candidate
Abdominal part of oesophagus
C15.3
Primary diagnosis candidate
Upper third of oesophagus
C15.4
Primary diagnosis candidate
Middle third of oesophagus
C15.5
Primary diagnosis candidate
Lower third of oesophagus
C15.8
Primary diagnosis candidate
Overlapping lesion of oesophagus
C15.9
Primary diagnosis candidate
Oesophagus, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
