H20.1 is the ICD-10 code for Chronic iridocyclitis. It is a four-character subcategory of H20 (Iridocyclitis), the most specific level in the WHO edition. It belongs to the block H15–H22 (Disorders of sclera, cornea, iris and ciliary body) in Chapter VII, Diseases of the eye and adnexa.
- Code type
- Subcategory (4 characters)
- Chapter
- VII · H00–H59
- Classification
- WHO ICD-10, 2019 version
H20.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H20.1Kronisk iridocyklit
H20.1Kronisk iridosyklitt
DH201Kronisk anterior uveitis
H20.1Pitkäaikainen värikalvon ja sädekehän tulehdus
H20.1Chronische Iridozyklitis
H20.1Iridocyclite chronique
H20.1chronische iridocyclitis
Listed through more specific codes:
- H20.10Chronic iridocyclitis, unspecified eye
- H20.11Chronic iridocyclitis, right eye
- H20.12Chronic iridocyclitis, left eye
- H20.13Chronic iridocyclitis, 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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