H57.9 ICD-10-CA code: Disorder of eye and adnexa, unspecified
H57.9 is the ICD-10-CA code for “Disorder of eye and adnexa, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
H57.9Disorder of eye and adnexa, unspecified
Short description: Disorder of eye and adnexa unspecified
ICD-10-CA · Canada · Also written H579
Index terms
Entries in CIHI’s alphabetical index that lead to H57.9. Searching the index by the condition the note names is how coders reach this code.
- Disease, diseased, eye
- Problem (related to) (with), eye
- Complication, complications (from) (of), eye
Notes for H57.9
As CIHI prints them, with any note H57.9 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 H57.9 sits
- 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
- 2Block H55-H59Other disorders of eye and adnexa
- 3Category H57Other disorders of eye and adnexa
- 4Valid code H57.9Disorder of eye and adnexa, 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 H57.9 mean?
H57.9 is the ICD-10-CA code for “Disorder of eye and adnexa, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is H57.9 in ICD-10-CA?
H57.9 sits under H57 Other disorders of eye and adnexa, within H55-H59 Other disorders of eye and adnexa, within Chapter 7: Diseases of the eye and adnexa (H00-H59).
What coding notes apply to H57.9?
ICD-10-CA lists Excludes notes for H57.9, 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.