H21.3 is the ICD-10 code for Cyst of iris, ciliary body and anterior chamber. It is a four-character subcategory of H21 (Other disorders of iris and ciliary body), 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
What H21.3 includes
Conditions and terms that are coded here.
- Cyst of iris, ciliary body or anterior chamber:
- NOS
- exudative
- implantation
- parasitic
What H21.3 excludes
Conditions that look similar but belong under another code.
- miotic pupillary cyst H21.2
H21.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H21.3Cyste i regnbuehinne, strålelegeme eller forkammer
DH213Cyste i iris, corpus ciliare eller forreste øjenkammer
- DH213ACyste i iris efter implantation
- DH213BCyste i iris forårsaget af parasit
- DH213CCystis iridis exudativa
- DH213DIriscyste UNS
- DH213ECyste i forreste øjenkammer UNS
- DH213FCystis camerae anterioris exudativa
- DH213GCyste i forreste øjenkammer efter implantation
- DH213HCyste i corporis ciliare UNS
- and 4 more national subcodes
H21.3Värikalvon, sädekehän tai etukammion kysta
H21.3Zyste der Iris, des Ziliarkörpers und der Vorderkammer
H21.3Kystes de l'iris, du corps ciliaire et de la chambre antérieure de l'œil
H21.3cyste van iris, corpus ciliare en voorste oogkamer
Listed through more specific codes:
- H21.301Idiopathic cysts of iris, ciliary body or anterior chamber, right eye
- H21.302Idiopathic cysts of iris, ciliary body or anterior chamber, left eye
- H21.303Idiopathic cysts of iris, ciliary body or anterior chamber, bilateral
- H21.309Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye
- H21.311Exudative cysts of iris or anterior chamber, right eye
- H21.312Exudative cysts of iris or anterior chamber, left eye
- H21.313Exudative cysts of iris or anterior chamber, bilateral
- H21.319Exudative cysts of iris or anterior chamber, unspecified eye
- and 16 more national subcodes
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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