H50.5 is the ICD-10 code for Heterophoria. It is a four-character subcategory of H50 (Other 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
What H50.5 includes
Conditions and terms that are coded here.
- Alternating hyperphoria
- Esophoria
- Exophoria
H50.5 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H50.5Heterofori (latent skelning)
- H50.5AAlternerande hyperfori
- H50.5BEsofori
- H50.5CExofori
- H50.5DCyklofori
- H50.5XHeterofori UNS
H50.5Heterofori
DH505Heterofori
- DH505AEsofori
- DH505BEksofori
- DH505CHyperphoria alternans
Listed through more specific codes:
- H50.50Vuorotteleva piilevä ylöskarsastus
- H50.51Piilevä sisäänkarsastus
- H50.52Piilevä uloskarsastus
- H50.59Määrittämätön piilokarsastus
H50.5Heterophorie
H50.5Hétérophorie
H50.5heteroforie
Listed through more specific codes:
- H50.50Unspecified heterophoria
- H50.51Esophoria
- H50.52Exophoria
- H50.53Vertical heterophoria
- H50.54Cyclophoria
- H50.55Alternating heterophoria
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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