H04.42

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Chronic lacrimal canaliculitis

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Non-billable category (requires more specific sub-code).
  • Chapter 7: Diseases of the Eye and Adnexa (H00-H59).
General instructions are available for the parent sections:

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)
H00-H05Disorders of eyelid, lacrimal system and orbit (H00-H05)
H04Disorders of lacrimal system
H04.4Chronic inflammation of lacrimal passages
H04.42Chronic lacrimal canaliculitis
H04.421Chronic lacrimal canaliculitis of right lacrimal passage
H04.422Chronic lacrimal canaliculitis of left lacrimal passage
H04.423Chronic lacrimal canaliculitis of bilateral lacrimal passages
H04.429Chronic lacrimal canaliculitis of unspecified lacrimal passage

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H04.42:

categoryH04
Disorders of lacrimal system
View context instructions
blockH00-H05
Disorders of eyelid, lacrimal system and orbit (H00-H05)
View context instructions
chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H04.42. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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