H04.559 Acquired stenosis of unspecified nasolacrimal duct

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)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 375.56 Stenosis of nasolacrimal duct, acquired (approximate)

Nearby codes

• H04.549 Stenosis of unspecified lacrimal canaliculi
• H04.55 Acquired stenosis of nasolacrimal duct
• H04.551 Acquired stenosis of right nasolacrimal duct
• H04.552 Acquired stenosis of left nasolacrimal duct
• H04.553 Acquired stenosis of bilateral nasolacrimal duct
• H04.559 Acquired stenosis of unspecified nasolacrimal duct (this code)
• H04.56 Stenosis of lacrimal punctum
• H04.561 Stenosis of right lacrimal punctum
• H04.562 Stenosis of left lacrimal punctum
• H04.563 Stenosis of bilateral lacrimal punctum
• H04.569 Stenosis of unspecified lacrimal punctum