H47.2 ICD-10-CA subcategory: Optic atrophy

H47.2 isn’t a code on its own. Choose one of the 2 codes beneath it, the one the documentation supports.

Official description

H47.2

Optic atrophy

ICD-10-CA · Canada · Also written H472

Codes in H47.2

H47.2 isn’t a code on its own. Open the code that matches what the note documents.

Notes for H47.2

As CIHI prints them, with any note H47.2 takes from the headings above it.

Includes

  • Temporal pallor of optic disc

Excludes

Conditions classified elsewhere.

  • 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 H47.2 sits

  1. 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
  2. 2Block H46-H48Disorders of optic nerve and visual pathways
  3. 3Category H47Other disorders of optic [2nd] nerve and visual pathways
  4. 4Subcategory H47.2Optic atrophy

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

Is H47.2 a valid ICD-10-CA code?

No. H47.2 (Optic atrophy) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 2 codes; record the one the documentation supports.

Where is H47.2 in ICD-10-CA?

H47.2 sits under H47 Other disorders of optic [2nd] nerve and visual pathways, within H46-H48 Disorders of optic nerve and visual pathways, within Chapter 7: Diseases of the eye and adnexa (H00-H59).

What coding notes apply to H47.2?

ICD-10-CA lists Includes, Excludes notes for H47.2, 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.