H34.9 ICD-10-CA code: Retinal vascular occlusion, unspecified
H34.9 is the ICD-10-CA code for “Retinal vascular occlusion, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
H34.9Retinal vascular occlusion, unspecified
Short description: Retinal vascular occlusion unspecified
ICD-10-CA · Canada · Also written H349
Index terms
Entries in CIHI’s alphabetical index that lead to H34.9. Searching the index by the condition the note names is how coders reach this code.
- Occlusion, occluded, retinal, vessels
- Obstruction, obstructed, obstructive, retinal (vessels)
Notes for H34.9
As CIHI prints them, with any note H34.9 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Amaurosis fugax (G45.3)From H34 Retinal vascular occlusions
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 7: Diseases of the eye and adnexa (H00-H59)
Where H34.9 sits
- 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
- 2Block H30-H36Disorders of choroid and retina
- 3Category H34Retinal vascular occlusions
- 4Valid code H34.9Retinal vascular occlusion, unspecified
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code H34.9 mean?
H34.9 is the ICD-10-CA code for “Retinal vascular occlusion, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is H34.9 in ICD-10-CA?
H34.9 sits under H34 Retinal vascular occlusions, within H30-H36 Disorders of choroid and retina, within Chapter 7: Diseases of the eye and adnexa (H00-H59).
What coding notes apply to H34.9?
ICD-10-CA lists Excludes notes for H34.9, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.