H91Other hearing loss
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use H91 directly
Use the most specific code supported by the record.
- Chapter VIII
- Diseases of the ear and mastoid process
- Group H90-H95
- Other disorders of ear
- Official Vietnamese name
- Giảm thính lực khác
- Additional WHO coding guidance
- Excl.: abnormal auditory perception (H93.2) hearing loss as classified in H90.- impacted cerumen (H61.2) noise-induced hearing loss (H83.3) psychogenic deafness (F44.6) transient ischaemic deafness (H93.0)
Related H91 codes
H91.0
Primary diagnosis candidate
Ototoxic hearing loss
H91.1
Primary diagnosis candidate
Presbycusis
H91.2
Primary diagnosis candidate
Sudden idiopathic hearing loss
H91.3
Primary diagnosis candidate
Deaf mutism, not elsewhere classified
H91.8
Primary diagnosis candidate
Other specified hearing loss
H91.9
Primary diagnosis candidate
Hearing loss, 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.
