H42.8 ICD-10-CA code: Glaucoma in other diseases classified elsewhere
H42.8 is the ICD-10-CA code for “Glaucoma in other diseases classified elsewhere” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
H42.8Glaucoma in other diseases classified elsewhere
Short description: Glaucoma in oth diseases class elsewhere
ICD-10-CA · Canada · Also written H428
Notes for H42.8
As CIHI prints them, with any note H42.8 takes from the headings above it.
Includes
- Glaucoma in onchocerciasis (B73†)
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 H42.8 sits
- 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
- 2Block H40-H42Glaucoma
- 3Category H42Glaucoma in diseases classified elsewhere
- 4Valid code H42.8Glaucoma in other 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 H42.8 mean?
H42.8 is the ICD-10-CA code for “Glaucoma in other diseases classified elsewhere” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is H42.8 in ICD-10-CA?
H42.8 sits under H42 Glaucoma in diseases classified elsewhere, within H40-H42 Glaucoma, within Chapter 7: Diseases of the eye and adnexa (H00-H59).
What coding notes apply to H42.8?
ICD-10-CA lists Includes, Excludes notes for H42.8, 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.