H34.239 Retinal artery branch occlusion, unspecified eye

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

Applies from H34 Retinal vascular occlusions

Excludes1 (never code together)

• amaurosis fugax (G45.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 362.32 Retinal arterial branch occlusion (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 H34.239

Back-references to H34

• Type 2 Excludes: I74 Arterial embolism and thrombosis ("ophthalmic embolism and thrombosis (H34.-)")
• Type 2 Excludes: I74 Arterial embolism and thrombosis ("retinal embolism and thrombosis (H34.-)")

Nearby codes

• H34.219 Partial retinal artery occlusion, unspecified eye
• H34.23 Retinal artery branch occlusion
• H34.231 Retinal artery branch occlusion, right eye
• H34.232 Retinal artery branch occlusion, left eye
• H34.233 Retinal artery branch occlusion, bilateral
• H34.239 Retinal artery branch occlusion, unspecified eye (this code)
• H34.8 Other retinal vascular occlusions
• H34.81 Central retinal vein occlusion
• H34.811 Central retinal vein occlusion, right eye
• H34.8110 Central retinal vein occlusion, right eye, with macular edema
• H34.8111 Central retinal vein occlusion, right eye, with retinal neovascularization