D04.9Skin, unspecified
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 D00-D09
- In situ neoplasms
- Official Vietnamese name
- Ung thư biểu mô tại chỗ ở da, không xác định
Related D04 codes
D04
Carcinoma in situ of skin
D04.0
Primary diagnosis candidate
Skin of lip
D04.1
Primary diagnosis candidate
Skin of eyelid, including canthus
D04.2
Primary diagnosis candidate
Skin of ear and external auricular canal
D04.3
Primary diagnosis candidate
Skin of other and unspecified parts of face
D04.4
Primary diagnosis candidate
Skin of scalp and neck
D04.5
Primary diagnosis candidate
Skin of trunk
D04.6
Primary diagnosis candidate
Skin of upper limb, including shoulder
D04.7
Primary diagnosis candidate
Skin of lower limb, including hip
D04.8
Primary diagnosis candidate
Skin of other sites
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.