H34.12 is the authoritative medical code for Central retinal artery occlusion, left eye. This classification is used in medical billing and clinical recording to specify the clinical criteria for central retinal artery occlusion, left eye (ICD-10-CM H34.12), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Central retinal artery occlusion, left eye is a billable ICD-10-CM diagnosis code H34.12. Excludes1 (not coded here): amaurosis fugax G45.3.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for H34.12 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with H34.12?
Per Excludes1 instructions, H34.12 must not be reported with: amaurosis fugax (G45.3).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as H34.12, with their registry titles.
- H34 — Retinal vascular occlusions
- H34.0 — Transient retinal artery occlusion
- H34.01 — Transient retinal artery occlusion, right eye
- H34.02 — Transient retinal artery occlusion, left eye
- H34.03 — Transient retinal artery occlusion, bilateral
- H34.1 — Central retinal artery occlusion
- H34.10 — Central retinal artery occlusion, unspecified eye
- H34.11 — Central retinal artery occlusion, right eye
- H34.13 — Central retinal artery occlusion, bilateral
- H34.2 — Other retinal artery occlusions
- H34.21 — Partial retinal artery occlusion
- H34.211 — Partial retinal artery occlusion, right eye
- H34.212 — Partial retinal artery occlusion, left eye
- H34.213 — Partial retinal artery occlusion, bilateral
- 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
- 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
- H34.8112 — Central retinal vein occlusion, right eye, stable
- H34.812 — Central retinal vein occlusion, left eye
- H34.8120 — Central retinal vein occlusion, left eye, with macular edema
- H34.8121 — Central retinal vein occlusion, left eye, with retinal neovascularization
- H34.8122 — Central retinal vein occlusion, left eye, stable
- H34.813 — Central retinal vein occlusion, bilateral
- H34.8130 — Central retinal vein occlusion, bilateral, with macular edema
- H34.8131 — Central retinal vein occlusion, bilateral, with retinal neovascularization
- H34.8132 — Central retinal vein occlusion, bilateral, stable
- 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
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: