VITiếng Việt
ICD-10 Vietnam

H49Paralytic strabismus

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 H49 directly

Use the most specific code supported by the record.

Chapter VII
Diseases of the eye and adnexa
Group H49-H52
Disorders of ocular muscles, binocular movement, accommodation and refraction
Official Vietnamese name
Lác liệt
Additional WHO coding guidance
Excl.: ophthalmoplegia: internal (H52.5) internuclear (H51.2) progressive

Related H49 codes

H49.0 Primary diagnosis candidate Third [oculomotor] nerve palsy H49.1 Primary diagnosis candidate Fourth [trochlear] nerve palsy H49.2 Primary diagnosis candidate Sixth [abducent] nerve palsy H49.3 Primary diagnosis candidate Total (external) ophthalmoplegia H49.4 Primary diagnosis candidate Progressive external ophthalmoplegia H49.8 Primary diagnosis candidate Other paralytic strabismus H49.9 Primary diagnosis candidate Paralytic strabismus, 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.