C86.4Blastic NK-cell lymphoma
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 lympho nguyên bào NK
Related C86 codes
C86
Other specified types of T/NK-cell lymphoma
C86.0
Primary diagnosis candidate
Extranodal NK/T- cell lymphoma, nasal type
C86.1
Primary diagnosis candidate
Hepatosplenic T- cell lymphoma
C86.2
Primary diagnosis candidate
Enteropathy-type (intestinal) T-cell lymphoma
C86.3
Primary diagnosis candidate
Subcutaneous panniculitis-like T- cell lymphoma
C86.5
Primary diagnosis candidate
Angioimmunoblasti c T-cell lymphoma
C86.6
Primary diagnosis candidate
Primary cutaneous CD30-positive T- cell proliferations
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.
