H20.1 – Chronic iridocyclitis
ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body
ICD-10-CM code
H20.1
- Code
H20.1(claims format:H201)- Description
- Chronic 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
- Parent codes
- H20
Billable codes under H20.1
H20.1 is a header code and cannot be used on claims. Choose the most specific code:
Notes for H20.1
Excludes2 (not included here):
- posterior cyclitis (H30.2-)
Use additional code:
- code for any associated cataract (H26.21-)
Index terms for H20.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H20
Frequently asked questions
What is ICD-10 code H20.1?
H20.1 is the ICD-10-CM code for chronic iridocyclitis, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
Is H20.1 a billable code?
No. H20.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does H20.1 belong to?
It belongs to category H20 – Iridocyclitis.
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.