H04.539 Neonatal obstruction 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)

Applies from H04.53 Neonatal obstruction of nasolacrimal duct

Excludes1 (never code together)

• congenital stenosis and stricture of lacrimal duct (Q10.5)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 375.55 Obstruction of nasolacrimal duct, neonatal (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Perinatal/Newborn diagnoses: Age conflict edit. These diagnoses occur only during the perinatal or newborn period, so the Medicare Code Editor flags them on any record where the patient is not age 0.

Nearby codes

• H04.529 Eversion of unspecified lacrimal punctum
• H04.53 Neonatal obstruction of nasolacrimal duct
• H04.531 Neonatal obstruction of right nasolacrimal duct
• H04.532 Neonatal obstruction of left nasolacrimal duct
• H04.533 Neonatal obstruction of bilateral nasolacrimal duct
• H04.539 Neonatal obstruction of unspecified nasolacrimal duct (this code)
• H04.54 Stenosis of lacrimal canaliculi
• H04.541 Stenosis of right lacrimal canaliculi
• H04.542 Stenosis of left lacrimal canaliculi
• H04.543 Stenosis of bilateral lacrimal canaliculi
• H04.549 Stenosis of unspecified lacrimal canaliculi