H21.212 Degeneration of chamber angle, left eye

Billable ICD-10-CM code, FY2026.

Applies from H21 Other disorders of iris and ciliary body

Excludes2 (not included here)

• sympathetic uveitis (H44.1-)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 364.56 Degenerative changes of chamber angle (approximate)

Nearby codes

• H21.1X3 Other vascular disorders of iris and ciliary body, bilateral
• H21.1X9 Other vascular disorders of iris and ciliary body, unspecified eye
• H21.2 Degeneration of iris and ciliary body
• H21.21 Degeneration of chamber angle
• H21.211 Degeneration of chamber angle, right eye
• H21.212 Degeneration of chamber angle, left eye (this code)
• H21.213 Degeneration of chamber angle, bilateral
• H21.219 Degeneration of chamber angle, unspecified eye
• H21.22 Degeneration of ciliary body
• H21.221 Degeneration of ciliary body, right eye
• H21.222 Degeneration of ciliary body, left eye