H04.421Billable
Chronic lacrimal canaliculitis of right lacrimal passage
- Chapter
- 7. Diseases of the eye and adnexa
- Category
- H04
- Effective date
- October 1, 2026
Related codes in category H04
H04Disorders of lacrimal systemH04.0DacryoadenitisH04.00Unspecified dacryoadenitisH04.001Unspecified dacryoadenitis, right lacrimal glandYesH04.002Unspecified dacryoadenitis, left lacrimal glandYesH04.003Unspecified dacryoadenitis, bilateral lacrimal glandsYesH04.009Unspecified dacryoadenitis, unspecified lacrimal glandYesH04.01Acute dacryoadenitisH04.011Acute dacryoadenitis, right lacrimal glandYesH04.012Acute dacryoadenitis, left lacrimal glandYesH04.013Acute dacryoadenitis, bilateral lacrimal glandsYesH04.019Acute dacryoadenitis, unspecified lacrimal glandYes
Frequently asked questions
What is ICD-10 code H04.421?
H04.421 is an ICD-10-CM diagnosis code for Chronic lacrimal canaliculitis of right lacrimal passage.
Is H04.421 a billable code?
Yes. H04.421 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is H04.421 in?
H04.421 falls under Chapter 7: Diseases of the eye and adnexa.
When did H04.421 become effective?
H04.421 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H04.421?
H04.421 belongs to category H04, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.