H20
Non-billableIridocyclitis
Iridocyclitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •diabetes mellitus related eye conditions, , ,E09.3, E10.3, E11.3, E13.3
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury (trauma) of eye and orbitS05
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •syphilis related eye disorders, , ,A50.01, A50.3, A51.43, A52.71
Child Codes (5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(9)
Frequently Asked Questions
What is the ICD-10 code for iridocyclitis?
The ICD-10-CM code for iridocyclitis is H20. The full clinical description is "Iridocyclitis". H20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H20 mean?
ICD-10-CM code H20 represents “Iridocyclitis”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a non-billable header code. Use a more specific child code for billing purposes.
Is H20 a billable code?
No, H20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under H20.
What chapter is H20 in?
H20 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What are the subcategories under H20?
H20 has 5 child codes, including: H20.0 (Acute and subacute iridocyclitis), H20.1 (Chronic iridocyclitis), H20.2 (Lens-induced iridocyclitis), H20.8 (Other iridocyclitis), and 1 more.
What are the UMLS CUIs for H20?
H20 is linked to 1 UMLS Concept Unique Identifier: C0022073. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H20 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like iridocyclitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of H20?
H20 maps to the ICD-11 code: 9A96.Z (Anterior uveitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.