H26.4 vs H59.349
H26.4 (Secondary cataract) compared with H59.349 (Postprocedural hematoma of unspecified eye and adnexa following other procedure), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. H59.349 carries an Excludes1 note covering H26.4: “secondary cataracts (H26.4-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| H26.4Secondary cataract | H59.349Postprocedural hematoma of unspecified eye and adnexa following other procedure | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Secondary cataract is a non-billable ICD-10-CM category code (H26.4). | Postprocedural hematoma of unspecified eye and adnexa following other procedure is a billable ICD-10-CM diagnosis code (H59.349). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources