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H04.6 ICD-10-CA code: Other changes in lacrimal passages

H04.6 is the ICD-10-CA code for “Other changes in lacrimal passages” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

H04.6

Other changes in lacrimal passages

ICD-10-CA · Canada · Also written H046

Index terms

Entries in CIHI’s alphabetical index that lead to H04.6. Searching the index by the condition the note names is how coders reach this code.

  • Dacryoma
  • Dacryocystocele
  • Fistula, lacrimonasal duct
  • Fistula, lacrimal (gland) (sac)
  • Granuloma, canaliculus lacrimalis
  • Dilatation, lacrimal passages or duct
  • Granuloma, lacrimal sac (nonspecific)
  • Deformity, caruncle, lacrimal (acquired)
  • Deformity, canaliculi (lacrimalis) (acquired)
  • Deformity, lacrimal passages or duct (congenital) NEC, acquired
  • Cyst (colloid) (mucous) (retention) (simple), lacrimal, passages or sac

Notes for H04.6

As CIHI prints them, with any note H04.6 takes from the headings above it.

Includes

  • Lacrimal fistula

Excludes

Conditions classified elsewhere.

  • Congenital malformations of lacrimal system (Q10.4-Q10.6)From H04 Disorders of lacrimal system
  • 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 H04.6 sits

  1. 1ChapterChapter 7: Diseases of the eye and adnexa (H00-H59)
  2. 2Block H00-H06Disorders of eyelid, lacrimal system and orbit
  3. 3Category H04Disorders of lacrimal system
  4. 4Valid code H04.6Other changes in lacrimal passages

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.

See H04.6 in the CIHI source

Frequently asked questions

What does ICD-10-CA code H04.6 mean?

H04.6 is the ICD-10-CA code for “Other changes in lacrimal passages” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is H04.6 in ICD-10-CA?

H04.6 sits under H04 Disorders of lacrimal system, within H00-H06 Disorders of eyelid, lacrimal system and orbit, within Chapter 7: Diseases of the eye and adnexa (H00-H59).

What coding notes apply to H04.6?

ICD-10-CA lists Includes, Excludes notes for H04.6, 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.

Codes beside H04.6

H04.0DacryoadenitisH04.1Other disorders of lacrimal glandH04.2EpiphoraH04.3Acute and unspecified inflammation of lacrimal passagesH04.4Chronic inflammation of lacrimal passagesH04.5Stenosis and insufficiency of lacrimal passagesH04.8Other disorders of lacrimal systemH04.9Disorder of lacrimal system, unspecified