H04.531 (Neonatal obstruction of right nasolacrimal duct) compared with H04.539 (Neonatal obstruction of unspecified nasolacrimal duct), from the official CMS tabular data. H04.531 and H04.539 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. H04.531 and H04.539 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| H04.531Neonatal obstruction of right nasolacrimal duct | H04.539Neonatal obstruction of unspecified nasolacrimal duct | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Neonatal obstruction of right nasolacrimal duct is a billable ICD-10-CM diagnosis code (H04.531). | Neonatal obstruction of unspecified nasolacrimal duct is a billable ICD-10-CM diagnosis code (H04.539). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources