H34.821 Venous engorgement, right eye

Billable ICD-10-CM code, FY2026.

Applies from H34 Retinal vascular occlusions

Excludes1 (never code together)

• amaurosis fugax (G45.3)

Applies from H34.82 Venous engorgement

Applicable to

• Incipient retinal vein occlusion
• Partial retinal vein occlusion

MS-DRG index

Defines the logic of DRG(s) 123 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 362.37 Venous engorgement (approximate)

Code annotations containing back-references to H34.821

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

• H34.819 Central retinal vein occlusion, unspecified eye
• H34.8190 Central retinal vein occlusion, unspecified eye, with macular edema
• H34.8191 Central retinal vein occlusion, unspecified eye, with retinal neovascularization
• H34.8192 Central retinal vein occlusion, unspecified eye, stable
• H34.82 Venous engorgement
• H34.821 Venous engorgement, right eye (this code)
• H34.822 Venous engorgement, left eye
• H34.823 Venous engorgement, bilateral
• H34.829 Venous engorgement, unspecified eye
• H34.83 Tributary (branch) retinal vein occlusion
• H34.831 Tributary (branch) retinal vein occlusion, right eye