H27.9 ICD-10-CA code: Disorder of lens, unspecified

H27.9 is the ICD-10-CA code for “Disorder of lens, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H27.9

Disorder of lens, unspecified

Short description: Disorder of lens unspecified

ICD-10-CA · Canada · Also written H279

Index terms

Entries in CIHI’s alphabetical index that lead to H27.9. Searching the index by the condition the note names is how coders reach this code.

  • Disease, diseased, lens

Notes for H27.9

As CIHI prints them, with any note H27.9 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Congenital lens malformations (Q12.-)mechanical complications of intraocular lens (T85.2)pseudophakia (Z96.1)From H27 Other disorders of lens
  • 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 H27.9 sits

  1. 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
  2. 2Block H25-H28Disorders of lens
  3. 3Category H27Other disorders of lens
  4. 4Valid code H27.9Disorder of lens, 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 H27.9 mean?

H27.9 is the ICD-10-CA code for “Disorder of lens, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H27.9 in ICD-10-CA?

H27.9 sits under H27 Other disorders of lens, within H25-H28 Disorders of lens, within Chapter 7: Diseases of the eye and adnexa (H00-H59).

What coding notes apply to H27.9?

ICD-10-CA lists Excludes notes for H27.9, 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.