Q05.9Spina bifida, 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.
- Group Q00-Q07
- Congenital malformations of the nervous system
- Official Vietnamese name
- Dị tật nứt đốt sống, không xác định
Related Q05 codes
Q05
Spina bifida
Q05.0
Primary diagnosis candidate
Cervical spina bifida with hydrocephalus
Q05.1
Primary diagnosis candidate
Thoracic spina bifida with hydrocephalus
Q05.2
Primary diagnosis candidate
Lumbar spina bifida with hydrocephalus
Q05.3
Primary diagnosis candidate
Sacral spina bifida with hydrocephalus
Q05.4
Primary diagnosis candidate
Unspecified spina bifida with hydrocephalus
Q05.5
Primary diagnosis candidate
Cervical spina bifida without hydrocephalus
Q05.6
Primary diagnosis candidate
Thoracic spina bifida without hydrocephalus
Q05.7
Primary diagnosis candidate
Lumbar spina bifida without hydrocephalus
Q05.8
Primary diagnosis candidate
Sacral spina bifida without hydrocephalus
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.
