D47.4Osteomyelofibrosis
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 D37-D48
- Neoplasms of uncertain or unknown behaviour
- Official Vietnamese name
- Bệnh xơ hóa tủy xương
- Additional WHO coding guidance
- Chronic idiopathic myelofibrosis Myelofibrosis (idiopathic) (with myeloid metaplasia) Myelosclerosis (megakaryocytic) with myeloid metaplasia Secondary myelofibrosis in myeloproliferative disease Excl.: acute myelofibrosis (C94.4)
Related D47 codes
D47
Other neoplasms of uncertain or unknown behaviour of lymphoid, haematopoietic and related tissue
D47.0
Primary diagnosis candidate
Histiocytic and mast cell tumours of uncertain and unknown behaviour
D47.1
Primary diagnosis candidate
Chronic myeloproliferative disease
D47.2
Primary diagnosis candidate
Monoclonal gammopathy of undetermined significance (MGUS)
D47.3
Primary diagnosis candidate
Essential (haemorrhagic) thrombocythaemia
D47.5
Primary diagnosis candidate
Chronic eosinophilic leukaemia [hypereosinophilic syndrome]
D47.7
Primary diagnosis candidate
Other specified neoplasms of uncertain or unknown behaviour of lymphoid, haematopoietic and related tissue
D47.9
Primary diagnosis candidate
Neoplasm of uncertain or unknown behaviour 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.
