H21.521 Goniosynechiae, right 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-)

Applies from H21.5 Other and unspecified adhesions and disruptions of iris and ciliary body

Excludes1 (never code together)

• corectopia (Q13.2)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 364.73 Goniosynechiae (approximate)

Nearby codes

• H21.511 Anterior synechiae (iris), right eye
• H21.512 Anterior synechiae (iris), left eye
• H21.513 Anterior synechiae (iris), bilateral
• H21.519 Anterior synechiae (iris), unspecified eye
• H21.52 Goniosynechiae
• H21.521 Goniosynechiae, right eye (this code)
• H21.522 Goniosynechiae, left eye
• H21.523 Goniosynechiae, bilateral
• H21.529 Goniosynechiae, unspecified eye
• H21.53 Iridodialysis
• H21.531 Iridodialysis, right eye