H66Suppurative and unspecified otitis media
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 H66 directly
Use the most specific code supported by the record.
- Chapter VIII
- Diseases of the ear and mastoid process
- Group H65-H75
- Diseases of middle ear and mastoid
- Official Vietnamese name
- Viêm tai giữa có mủ và/hoặc viêm tai giữa không xác định
- Additional WHO coding guidance
- Incl.: with myringitis Use additional code (H72.-), if desired, to identify presence of perforated tympanic membrane.
Related H66 codes
H66.0
Primary diagnosis candidate
Acute suppurative otitis media
H66.1
Primary diagnosis candidate
Chronic tubotympanic suppurative otitis media
H66.2
Primary diagnosis candidate
Chronic atticoantral suppurative otitis media
H66.3
Primary diagnosis candidate
Other chronic suppurative otitis media
H66.4
Primary diagnosis candidate
Suppurative otitis media, unspecified
H66.9
Primary diagnosis candidate
Otitis media, 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.
