H04.3

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Acute and unspecified inflammation of lacrimal passages

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).

Instructional Notes

Excludes1(Not coded here)
  • neonatal dacryocystitis (P39.1)
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
H04.3Acute and unspecified inflammation of lacrimal passages
H04.30Unspecified dacryocystitis
H04.31Phlegmonous dacryocystitis
H04.32Acute dacryocystitis
H04.33Acute lacrimal canaliculitis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H04.3:

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 H04.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Direct index entryH04.3
Dacryocystitis3 unique routes
Direct index entryH04.3

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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