H04.33 ICD-10-CM Code: Acute lacrimal canaliculitis
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Acute lacrimal canaliculitis is a non-billable ICD-10-CM category code (H04.33). A more specific billable subcode must be selected for claims submission.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for H04.33 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- neonatal dacryocystitis (P39.1)
- congenital malformations of lacrimal system (Q10.4-Q10.6)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- open wound of eyelid (S01.1-)
- superficial injury of eyelid (S00.1-, S00.2-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can H04.33 be billed directly?
No. H04.33 (Acute lacrimal canaliculitis) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to H04.33 in its code family, with their registry titles.
- H04.32 — Acute dacryocystitis
- H04.321 — Acute dacryocystitis of right lacrimal passage
- H04.322 — Acute dacryocystitis of left lacrimal passage
- H04.323 — Acute dacryocystitis of bilateral lacrimal passages
- H04.329 — Acute dacryocystitis of unspecified lacrimal passage
- H04.331 — Acute lacrimal canaliculitis of right lacrimal passage
- H04.332 — Acute lacrimal canaliculitis of left lacrimal passage
- H04.333 — Acute lacrimal canaliculitis of bilateral lacrimal passages
- H04.339 — Acute lacrimal canaliculitis of unspecified lacrimal passage
- H04.4 — Chronic inflammation of lacrimal passages