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ICD-10-CM 2027

ICD-10 code for ciliary body degeneration

H21.22

Degeneration of ciliary body

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Degeneration, degenerative › ciliary body”. Page updated September 29, 2026.

About coding ciliary body degeneration

The ICD-10-CM code for ciliary body degeneration is H21.22 (Degeneration of ciliary body).

Within H21.2 (degeneration of iris and ciliary body), H21.22 is specifically for degeneration of ciliary body. Related codes cover degeneration of chamber angle (H21.21), degeneration of iris (pigmentary) (H21.23), degeneration of pupillary margin (H21.24), Iridoschisis (H21.25), iris atrophy (essential) (progressive) (H21.26), Miotic pupillary cyst (H21.27) and other iris atrophy (H21.29).

To report this condition, pick the subcode that matches the documentation: H21.221 (right eye), H21.222 (left eye), H21.223 (bilateral) and H21.229 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about ciliary body degeneration ICD-10 codes

What is the ICD-10 code for ciliary body degeneration?

H21.22 — Degeneration of ciliary body (a header code; report a more specific subcode).

Is H21.22 billable?

No. H21.22 is a header code. Report one of its more specific subcodes instead.