H34.821
✓ Billable
Venous engorgement, right eye
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H34.821
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H34.821?
ICD-10-CM code H34.821 represents Venous engorgement, right eye. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H34.821 billable?
Yes. H34.821 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H34.821 in?
H34.821 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H34 category
H34
Retinal vascular occlusions
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H34.0
Transient retinal artery occlusion
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H34.1
Central retinal artery occlusion
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H34.2
Other retinal artery occlusions
Non-billable
H34.8
Other retinal vascular occlusions
Non-billable
H34.9
Unspecified retinal vascular occlusion
Billable
H34.00
Transient retinal artery occlusion, unspecified eye
Billable
H34.01
Transient retinal artery occlusion, right eye
Billable
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