H20 – Iridocyclitis
ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body
ICD-10-CM code
H20
- Code
H20(claims format:H20)- Description
- Iridocyclitis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H15-H22 Disorders of sclera, cornea, iris and ciliary body
Billable codes under H20
H20 is a header code and cannot be used on claims. Choose the most specific code:
- H20.0 – Acute and subacute iridocyclitisHeader (more codes below)
- H20.1 – Chronic iridocyclitisHeader (more codes below)
- H20.2 – Lens-induced iridocyclitisHeader (more codes below)
- H20.8 – Other iridocyclitisHeader (more codes below)
- H20.9 – Unspecified iridocyclitisBillable
Frequently asked questions
What is ICD-10 code H20?
H20 is the ICD-10-CM code for iridocyclitis, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
Is H20 a billable code?
No. H20 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.