H59.819 Chorioretinal scars after surgery for detachment, unspecified eye

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from H59 Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified

Excludes1 (never code together)

• mechanical complication of intraocular lens (T85.2)
• mechanical complication of other ocular prosthetic devices, implants and grafts (T85.3)
• pseudophakia (Z96.1)
• secondary cataracts (H26.4-)

MS-DRG index

Defines the logic of DRG(s) 919-921 in MDC 21.

Approximate ICD-9-CM (GEMs)

• 997.99 Complications affecting other specified body systems, not elsewhere classified (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to H59.819

Back-references to H59.81

• Type 2 Excludes: H31.0 Chorioretinal scars ("postsurgical chorioretinal scars (H59.81-)")
• Type 1 Excludes: H31.01 Macula scars of posterior pole (postinflammatory) (post-traumatic) ("postprocedural choriorentinal scar (H59.81-)")
• Type 1 Excludes: H33.3 Retinal breaks without detachment ("chorioretinal scars after surgery for detachment (H59.81-)")

Back-references to H59

• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)")

Nearby codes

• H59.8 Other intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified
• H59.81 Chorioretinal scars after surgery for detachment
• H59.811 Chorioretinal scars after surgery for detachment, right eye
• H59.812 Chorioretinal scars after surgery for detachment, left eye
• H59.813 Chorioretinal scars after surgery for detachment, bilateral
• H59.819 Chorioretinal scars after surgery for detachment, unspecified eye (this code)
• H59.88 Other intraoperative complications of eye and adnexa, not elsewhere classified
• H59.89 Other postprocedural complications and disorders of eye and adnexa, not elsewhere classified