C96.2Malignant mast cell tumour
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 tế bào mast [dưỡng bào]
- Additional WHO coding guidance
- Aggressive systemic mastocytosis Mast cell sarcoma Excl.: indolent mastocytosis (D47.0) mast cell leukaemia (C94.3) mastocytosis (congenital) (cutaneous) (Q82.2)
Related C96 codes
C96
Other and unspecified malignant neoplasms of lymphoid, haematopoietic and related tissue
C96.0
Primary diagnosis candidate
Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis [Letterer-Siwe disease]
C96.4
Primary diagnosis candidate
Sarcoma of dendritic cells (accessory cells)
C96.5
Primary diagnosis candidate
Multifocal and unisystemic Langerhans-cell histiocytosis
C96.6
Primary diagnosis candidate
Unifocal Langerhans-cell histiocytosis
C96.7
Primary diagnosis candidate
Other specified malignant neoplasms of lymphoid, haematopoietic and related tissue
C96.9
Primary diagnosis candidate
Malignant neoplasm of lymphoid, haematopoietic and related tissue, 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.
