C15.3Upper third of oesophagus
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter II
- Neoplasms
- Group C00-C97
- Malignant neoplasms U ác tính
- Official Vietnamese name
- U ác tính ở một phần ba [1/3] trên thực quản
Related C15 codes
C15
Malignant neoplasm of oesophagus
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
C15.4
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.
