R94.1Abnormal results of function studies of peripheral nervous system and special senses
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 XVIII
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Official Vietnamese name
- Kết quả bất thường của thăm dò chức năng hệ thần kinh ngoại biên và/hoặc giác quan đặc biệt [đặc biệt bao gồm thị, thính, khứu, vị giác]
- Additional WHO coding guidance
- Abnormal: electromyogram [EMG] electro- oculogram [EOG] electroretinogram [ERG] response to nerve stimulation visually evoked
Related R94 codes
R94
Abnormal results of function studies
R94.0
Primary diagnosis candidate
Abnormal results of function studies of central nervous system
R94.2
Primary diagnosis candidate
Abnormal results of pulmonary function studies
R94.3
Primary diagnosis candidate
Abnormal results of cardiovascular function studies
R94.4
Primary diagnosis candidate
Abnormal results of kidney function studies
R94.5
Primary diagnosis candidate
Abnormal results of liver function studies
R94.6
Primary diagnosis candidate
Abnormal results of thyroid function studies
R94.7
Primary diagnosis candidate
Abnormal results of other endocrine function studies
R94.8
Primary diagnosis candidate
Abnormal results of function studies of other organs and systems
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.
