H21.243 – Degeneration of pupillary margin, bilateral

ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body

Billable code

ICD-10-CM code H21.243
Code
H21.243 (claims format: H21243)
Description
Degeneration of pupillary margin, bilateral
Billable
Yes – valid for HIPAA-covered transactions
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 › H21.2 › H21.24

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

Excludes2 (not included here):
  • sympathetic uveitis (H44.1-)

Related codes in H21.24

Frequently asked questions

What is ICD-10 code H21.243?

H21.243 is the ICD-10-CM code for degeneration of pupillary margin, bilateral, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).

Is H21.243 a billable code?

Yes. H21.243 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H21.243 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.