H90Conductive and sensorineural hearing loss
Code usage status
Primary diagnosis
Not recommended as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use H90 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 dẫn truyền và/hoặc giảm thính lực thần kinh giác quan
- Additional WHO coding guidance
- Incl.: congenital deafness Excl.: deaf mutism NEC (H91.3) deafness NOS (H91.9) hearing loss: NOS (H91.9) noise-induced (H83.3) ototoxic (H91.0) sudden (idiopathic) (H91.2)
Related H90 codes
H90.0
Conductive hearing loss, bilateral
H90.1
Conductive hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.2
Conductive hearing loss, unspecified
H90.3
Sensorineural hearing loss, bilateral
H90.4
Sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.5
Sensorineural hearing loss, unspecified
H90.6
Mixed conductive and sensorineural hearing loss, bilateral
H90.7
Mixed conductive and sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.8
Mixed conductive and sensorineural 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.
