H04.021 (Chronic dacryoadenitis, right lacrimal gland) compared with H04.023 (Chronic dacryoadenitis, bilateral lacrimal gland), from the official CMS tabular data. H04.021 and H04.023 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. H04.021 and H04.023 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.
| H04.021Chronic dacryoadenitis, right lacrimal gland | H04.023Chronic dacryoadenitis, bilateral lacrimal gland | |
|---|---|---|
| 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 | Chronic dacryoadenitis, right lacrimal gland is a billable ICD-10-CM diagnosis code (H04.021). | Chronic dacryoadenitis, bilateral lacrimal gland is a billable ICD-10-CM diagnosis code (H04.023). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources