D89Other disorders involving the immune mechanism, not elsewhere classified
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 D89 directly
Use the most specific code supported by the record.
- Chapter III
- Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Group D80-D89
- Certain disorders involving the immune mechanism
- Official Vietnamese name
- Rối loạn khác liên quan cơ chế miễn dịch, không phân loại mục khác
- Additional WHO coding guidance
- Excl.: hyperglobulinaemia NOS (R77.1) monoclonal gammopathy of undertermined significance [MGUS] (D47.2) transplant failure and rejection (T86.-)
Related D89 codes
D89.0
Primary diagnosis candidate
Polyclonal hypergammaglobuli naemia
D89.1
Primary diagnosis candidate
Cryoglobulinaemia
D89.2
Primary diagnosis candidate
Hypergammaglobul inaemia, unspecified
D89.3
Primary diagnosis candidate
Immune reconstitution syndrome
D89.8
Primary diagnosis candidate
Other specified disorders involving the immune mechanism, not elsewhere classified
D89.9
Primary diagnosis candidate
Disorder involving the immune mechanism, 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.
