H16Header code — not billable
Keratitis
- Chapter
- 7. Diseases of the eye and adnexa
- Category
- H16
- Effective date
- October 1, 2026
Related codes in category H16
H16.0Corneal ulcerH16.00Unspecified corneal ulcerH16.001Unspecified corneal ulcer, right eyeYesH16.002Unspecified corneal ulcer, left eyeYesH16.003Unspecified corneal ulcer, bilateralYesH16.009Unspecified corneal ulcer, unspecified eyeYesH16.01Central corneal ulcerH16.011Central corneal ulcer, right eyeYesH16.012Central corneal ulcer, left eyeYesH16.013Central corneal ulcer, bilateralYesH16.019Central corneal ulcer, unspecified eyeYesH16.02Ring corneal ulcer
Frequently asked questions
What is ICD-10 code H16?
H16 is an ICD-10-CM diagnosis code for Keratitis.
Is H16 a billable code?
No. H16 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is H16 in?
H16 falls under Chapter 7: Diseases of the eye and adnexa.
When did H16 become effective?
H16 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H16?
H16 belongs to category H16, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.