H49.4 is the ICD-10 code for Progressive external ophthalmoplegia. It is a four-character subcategory of H49 (Paralytic strabismus), the most specific level in the WHO edition. It belongs to the block H49–H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction) in Chapter VII, Diseases of the eye and adnexa.
- Code type
- Subcategory (4 characters)
- Chapter
- VII · H00–H59
- Classification
- WHO ICD-10, 2019 version
H49.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H49.4Progressiv ytre oftalmoplegi
DH494Progressiv ekstern oftalmoplegi
H49.4Etenevä ulkoisten silmälihasten halvaus
H49.4Ophthalmoplegia progressiva externa
H49.4Ophtalmoplégie externe progressive
H49.4progressieve externe oftalmoplegie
Listed through more specific codes:
- H49.40Progressive external ophthalmoplegia, unspecified eye
- H49.41Progressive external ophthalmoplegia, right eye
- H49.42Progressive external ophthalmoplegia, left eye
- H49.43Progressive external ophthalmoplegia, bilateral
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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