H16.2 vs H44.1

H16.2 (Keratoconjunctivitis) compared with H44.1 (Other endophthalmitis), 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. H44.1 carries an Excludes2 note covering H16.2: “ophthalmia nodosa (H16.2-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	H16.2Keratoconjunctivitis	H44.1Other endophthalmitis
Billing status	Non-billable header Report instead: H16.201, H16.202, H16.203, H16.209, H16.211	Non-billable header Report instead: H44.111, H44.112, H44.113, H44.119, H44.121
Classification	H00-H59 — Diseases of the Eye and Adnexa (H00-H59)	H00-H59 — Diseases of the Eye and Adnexa (H00-H59)
Definition	Keratoconjunctivitis is a non-billable ICD-10-CM category code (H16.2).	Other endophthalmitis is a non-billable ICD-10-CM category code (H44.1).
Includes	—	disorders affecting multiple structures of eye

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources