H21.1X – Other vascular disorders of iris and ciliary body
ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body
- Code
H21.1X(claims format:H211X)- Description
- Other vascular disorders of iris and ciliary body
- 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
- H21 › H21.1
Billable codes under H21.1X
H21.1X is a header code and cannot be used on claims. Choose the most specific code:
- H21.1X1 – Other vascular disorders of iris and ciliary body, right eyeBillable
- H21.1X2 – Other vascular disorders of iris and ciliary body, left eyeBillable
- H21.1X3 – Other vascular disorders of iris and ciliary body, bilateralBillable
- H21.1X9 – Other vascular disorders of iris and ciliary body, unspecified eyeBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H21 – Other disorders of iris and ciliary body
- sympathetic uveitis (H44.1-)
H21.1 – Other vascular disorders of iris and ciliary body
- Neovascularization of iris or ciliary body
- Rubeosis iridis
- Rubeosis of iris
Index terms for H21.1X
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code H21.1X?
H21.1X is the ICD-10-CM code for other vascular disorders of iris and ciliary body, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
Is H21.1X a billable code?
No. H21.1X is a header code with more specific child codes; report one of the billable codes listed above.
What category does H21.1X belong to?
It belongs to category H21 – Other disorders of iris and ciliary body.
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.