H21.512 Anterior synechiae (iris), 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-)

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)

• 364.72 Anterior synechiae of iris (approximate)

Nearby codes

• H21.502 Unspecified adhesions of iris, left eye
• H21.503 Unspecified adhesions of iris, bilateral
• H21.509 Unspecified adhesions of iris and ciliary body, unspecified eye
• H21.51 Anterior synechiae (iris)
• H21.511 Anterior synechiae (iris), right eye
• H21.512 Anterior synechiae (iris), left eye (this code)
• H21.513 Anterior synechiae (iris), bilateral
• H21.519 Anterior synechiae (iris), unspecified eye
• H21.52 Goniosynechiae
• H21.521 Goniosynechiae, right eye
• H21.522 Goniosynechiae, left eye