H34.9 Unspecified retinal vascular occlusion

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) 123 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 362.30 Retinal vascular occlusion, unspecified

Code annotations containing back-references to H34.9

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.-)")

Diagnosis Index entries for H34.9

• Embolism (multiple) (paradoxical) › eye
• Obstruction, obstructed, obstructive › retinal (vessels)
• Occlusion, occluded › retina, retinal › vessels

Nearby codes

• H34.8332 Tributary (branch) retinal vein occlusion, bilateral, stable
• H34.839 Tributary (branch) retinal vein occlusion, unspecified eye
• H34.8390 Tributary (branch) retinal vein occlusion, unspecified eye, with macular edema
• H34.8391 Tributary (branch) retinal vein occlusion, unspecified eye, with retinal neovascularization
• H34.8392 Tributary (branch) retinal vein occlusion, unspecified eye, stable
• H34.9 Unspecified retinal vascular occlusion (this code)