Z44.9Fitting and adjustment of unspecified external prosthetic device
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.
- Official Vietnamese name
- Lắp và/hoặc điều chỉnh bộ phận giả bên ngoài, không xác định
Related Z44 codes
Z44
Fitting and adjustment of external prosthetic device
Z44.0
Primary diagnosis candidate
Fitting and adjustment of artificial arm (complete)(partial)
Z44.1
Primary diagnosis candidate
Fitting and adjustment of artificial leg (complete)(partial)
Z44.2
Primary diagnosis candidate
Fitting and adjustment of artificial eye
Z44.3
Primary diagnosis candidate
Fitting and adjustment of external breast prosthesis
Z44.8
Primary diagnosis candidate
Fitting and adjustment of other external prosthetic devices
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.