H20.8 vs H40.4
H20.8 (Other iridocyclitis) compared with H40.4 (Glaucoma secondary to eye inflammation), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. H20.8 carries an Excludes2 note covering H40.4: “glaucomatocyclitis crises (H40.4-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| H20.8Other iridocyclitis | H40.4Glaucoma secondary to eye inflammation | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header Report instead: H40.40X0, H40.40X1, H40.40X2, H40.40X3, H40.40X4 |
| Classification | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Other iridocyclitis is a non-billable ICD-10-CM category code (H20.8). | Glaucoma secondary to eye inflammation is a non-billable ICD-10-CM category code (H40.4). |
| 7th character | — | One of the following 7th characters is to be assigned to each code in subcategory H40.4 to designate the stage of glaucoma |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources