Z55.2Failed examinations
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
- Thi trượt
Related Z55 codes
Z55
Problems related to education and literacy
Z55.0
Primary diagnosis candidate
Illiteracy and low- level literacy
Z55.1
Primary diagnosis candidate
Schooling unavailable and unattainable
Z55.3
Primary diagnosis candidate
Underachievement in school
Z55.4
Primary diagnosis candidate
Educational maladjustment and discord with teachers and classmates
Z55.8
Primary diagnosis candidate
Other problems related to education and literacy
Z55.9
Primary diagnosis candidate
Problem related to education and literacy, 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.
