G52.9Cranial nerve disorder, 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 VI
- Diseases of the nervous system
- Group G50-G59
- Nerve, nerve root and plexus disorders
- Official Vietnamese name
- Rối loạn dây thần kinh sọ, không xác định
Related G52 codes
G52
Disorders of other cranial nerves
G52.0
Primary diagnosis candidate
Disorders of olfactory nerve
G52.1
Primary diagnosis candidate
Disorders of glossopharyngeal nerve
G52.2
Primary diagnosis candidate
Disorders of vagus nerve
G52.3
Primary diagnosis candidate
Disorders of hypoglossal nerve
G52.7
Primary diagnosis candidate
Disorders of multiple cranial nerves
G52.8
Primary diagnosis candidate
Disorders of other specified cranial nerves
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.
