H48.8 ICD-10-CA code: Other disorders of optic nerve and visual pathways in diseases classified elsewhere

H48.8 is the ICD-10-CA code for “Other disorders of optic nerve and visual pathways in diseases classified elsewhere” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H48.8

Other disorders of optic nerve and visual pathways in diseases classified elsewhere

Short description: Oth disrd optic nrv visual path dis cl/e

ICD-10-CA · Canada · Also written H488

Notes for H48.8

As CIHI prints them, with any note H48.8 takes from the headings above it.

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 H48.8 sits

  1. 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
  2. 2Block H46-H48Disorders of optic nerve and visual pathways
  3. 3Category H48Disorders of optic [2nd] nerve and visual pathways in diseases classified elsewhere
  4. 4Valid code H48.8Other disorders of optic nerve and visual pathways in diseases classified elsewhere

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 H48.8 mean?

H48.8 is the ICD-10-CA code for “Other disorders of optic nerve and visual pathways in diseases classified elsewhere” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H48.8 in ICD-10-CA?

H48.8 sits under H48 Disorders of optic [2nd] nerve and visual pathways in diseases classified elsewhere, 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 H48.8?

ICD-10-CA lists Excludes notes for H48.8, 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.