Q80.1X-linked ichthyosis
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.
- Group Q80-Q89
- Other congenital malformations
- Official Vietnamese name
- Bệnh da vẩy cá liên quan đến nhiễm sắc thể X
Related Q80 codes
Q80
Congenital ichthyosis
Q80.0
Primary diagnosis candidate
Ichthyosis vulgaris
Q80.2
Primary diagnosis candidate
Lamellar ichthyosis
Q80.3
Primary diagnosis candidate
Congenital bullous ichthyosiform erythroderma
Q80.4
Primary diagnosis candidate
Harlequin fetus
Q80.8
Primary diagnosis candidate
Other congenital ichthyosis
Q80.9
Primary diagnosis candidate
Congenital ichthyosis, 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.