VITiếng Việt
ICD-10 Vietnam

N27Small kidney of unknown cause

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 N27 directly

Use the most specific code supported by the record.

Chapter XIV
Diseases of the genitourinary system
Group N25-N29
Other disorders of kidney and ureter
Official Vietnamese name
Thận teo nhỏ không rõ nguyên nhân
Additional WHO coding guidance
unknown cause (N27.-)

Related N27 codes

N27.0 Primary diagnosis candidate Small kidney, unilateral N27.1 Primary diagnosis candidate Small kidney, bilateral N27.9 Primary diagnosis candidate Small kidney, 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.