H65.9Nonsuppurative otitis media, 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 VIII
- Diseases of the ear and mastoid process
- Group H65-H75
- Diseases of middle ear and mastoid
- Official Vietnamese name
- Viêm tai giữa không có mủ, không xác định
- Additional WHO coding guidance
- Otitis media: allergic catarrhal exudative mucoid secretory seromucinous serous transudative with effusion (nonpurulent)
Related H65 codes
H65
Nonsuppurative otitis media
H65.0
Primary diagnosis candidate
Acute serous otitis media
H65.1
Primary diagnosis candidate
Other acute nonsuppurative otitis media
H65.2
Primary diagnosis candidate
Chronic serous otitis media
H65.3
Primary diagnosis candidate
Chronic mucoid otitis media
H65.4
Primary diagnosis candidate
Other chronic nonsuppurative otitis media
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.
