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H34.8111 vs H34.8121

H34.8111 (Central retinal vein occlusion, right eye, with retinal neovascularization) compared with H34.8121 (Central retinal vein occlusion, left eye, with retinal neovascularization), from the official CMS tabular data. H34.8111 and H34.8121 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

H34.8111
Right
Central retinal vein occlusion, right eye, with retinal neovascularization
H34.8121
Left
Central retinal vein occlusion, left eye, with retinal neovascularization

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. H34.8111 and H34.8121 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

H34.8111Central retinal vein occlusion, right eye, with retinal neovascularizationH34.8121Central retinal vein occlusion, left eye, with retinal neovascularization
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the Eye and Adnexa (H00-H59)H00-H59 — Diseases of the Eye and Adnexa (H00-H59)
DefinitionCentral retinal vein occlusion, right eye, with retinal neovascularization is a billable ICD-10-CM diagnosis code (H34.8111).Central retinal vein occlusion, left eye, with retinal neovascularization is a billable ICD-10-CM diagnosis code (H34.8121).
7th characterOne of the following 7th characters is to be assigned to codes in subcategory H34.81 to designate the severity of the occlusion:One of the following 7th characters is to be assigned to codes in subcategory H34.81 to designate the severity of the occlusion:

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources