C84Mature T/NK-cell lymphomas
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 C84 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 lympho tế bào T/NK trưởng thành
Related C84 codes
C84.0
Primary diagnosis candidate
Mycosis fungoides
C84.1
Primary diagnosis candidate
Sézary disease
C84.4
Primary diagnosis candidate
Peripheral T-cell lymphoma, not elsewhere classified
C84.5
Primary diagnosis candidate
Other mature T/NK- cell lymphomas
C84.6
Primary diagnosis candidate
Anaplastic large cell lymphoma, ALK- positive
C84.7
Primary diagnosis candidate
Anaplastic large cell lymphoma, ALK- negative
C84.8
Primary diagnosis candidate
Cutaneous T-cell lymphoma, unspecified
C84.9
Primary diagnosis candidate
Mature T/NK-cell lymphoma, 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.
