VITiếng Việt
ICD-10 Vietnam

C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

Code usage status

Primary diagnosis

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Apply only when it matches the confirmed diagnosis and the documented clinical record.

Specificity

Do not use C39 directly

Use the most specific code supported by the record.

Chapter II
Neoplasms
Group C00-C97
Malignant neoplasms U ác tính
Official Vietnamese name
U ác tính ở những vị trí khác và/hoặc không rõ ràng của hệ hô hấp và/hoặc cơ quan trong khoang ngực
Additional WHO coding guidance
Excl.: intrathoracic NOS (C76.1) thoracic NOS (C76.1)

Related C39 codes

C39.0 Primary diagnosis candidate Upper respiratory tract, part unspecified C39.8 Primary diagnosis candidate Overlapping lesion of respiratory and intrathoracic organs C39.9 Primary diagnosis candidate Ill-defined sites within the respiratory system

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.