H04.312 Phlegmonous dacryocystitis of left lacrimal passage

Billable ICD-10-CM code, FY2026.

Applies from H04 Disorders of lacrimal system

Excludes1 (never code together)

• congenital malformations of lacrimal system (Q10.4-Q10.6)

Applies from H04.3 Acute and unspecified inflammation of lacrimal passages

Excludes1 (never code together)

• neonatal dacryocystitis (P39.1)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 375.33 Phlegmonous dacryocystitis (approximate)

Code annotations containing back-references to H04.312

Back-references to H04.3

• Type 2 Excludes: L02.0 Cutaneous abscess, furuncle and carbuncle of face ("abscess of lacrimal passages (H04.3)")
• Type 2 Excludes: L03 Cellulitis and acute lymphangitis ("cellulitis of lacrimal apparatus (H04.3)")
• Type 2 Excludes: L03.211 Cellulitis of face ("cellulitis of lacrimal apparatus (H04.3)")

Nearby codes

• H04.302 Unspecified dacryocystitis of left lacrimal passage
• H04.303 Unspecified dacryocystitis of bilateral lacrimal passages
• H04.309 Unspecified dacryocystitis of unspecified lacrimal passage
• H04.31 Phlegmonous dacryocystitis
• H04.311 Phlegmonous dacryocystitis of right lacrimal passage
• H04.312 Phlegmonous dacryocystitis of left lacrimal passage (this code)
• H04.313 Phlegmonous dacryocystitis of bilateral lacrimal passages
• H04.319 Phlegmonous dacryocystitis of unspecified lacrimal passage
• H04.32 Acute dacryocystitis
• H04.321 Acute dacryocystitis of right lacrimal passage
• H04.322 Acute dacryocystitis of left lacrimal passage