C76Malignant neoplasm of other and ill-defined sites
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 C76 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 vị trí khác và/hoặc không rõ ràng
- Additional WHO coding guidance
- Excl.: malignant neoplasm of: genitourinary tract NOS: female (C57.9) male (C63.9) lymphoid, haematopoietic and related tissue (C81-C96) unspecified site (C80.-)
Related C76 codes
C76.0
Primary diagnosis candidate
Head, face and neck Cheek NOS
C76.1
Primary diagnosis candidate
Thorax
C76.2
Primary diagnosis candidate
Abdomen
C76.3
Primary diagnosis candidate
Pelvis
C76.4
Primary diagnosis candidate
Upper limb
C76.5
Primary diagnosis candidate
Lower limb
C76.7
Primary diagnosis candidate
Other ill-defined sites
C76.8
Primary diagnosis candidate
Overlapping lesion of other and ill- defined sites
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.