ICD-10 block
H49–H52 Disorders of ocular muscles, binocular movement, accommodation and refraction
The block H49–H52 of ICD-10 is titled “Disorders of ocular muscles, binocular movement, accommodation and refraction”. It is part of Chapter VII, Diseases of the eye and adnexa, and holds 4 groups.
What H49–H52 excludes
Conditions that look similar but belong under another code.
- nystagmus and other irregular eye movements H55
Codes in H49–H52
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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