C82.9Follicular lymphoma, unspecified
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 thể nang, không xác định
- Additional WHO coding guidance
- Nodular lymphoma NOS
Related C82 codes
C82
Follicular lymphoma
C82.0
Primary diagnosis candidate
Follicular lymphoma grade I
C82.1
Primary diagnosis candidate
Follicular lymphoma grade II
C82.2
Primary diagnosis candidate
Follicular lymphoma grade III, unspecified
C82.3
Primary diagnosis candidate
Follicular lymphoma grade IIIa
C82.4
Primary diagnosis candidate
Follicular lymphoma grade IIIb
C82.5
Primary diagnosis candidate
Diffuse follicle centre lymphoma
C82.6
Primary diagnosis candidate
Cutaneous follicle centre lymphoma
C82.7
Primary diagnosis candidate
Other types of follicular lymphoma
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.
