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ICD-10-CM 2027

ICD-10 code for cornea abscess

H16.31

Corneal abscess

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › cornea”. Page updated September 29, 2026.

About coding cornea abscess

The ICD-10-CM code for cornea abscess is H16.31 (Corneal abscess).

Within H16.3 (interstitial and deep keratitis), H16.31 is specifically for corneal abscess. Related codes cover unspecified interstitial keratitis (H16.30), diffuse interstitial keratitis (H16.32), sclerosing keratitis (H16.33) and other interstitial and deep keratitis (H16.39).

To report this condition, pick the subcode that matches the documentation: H16.311 (right eye), H16.312 (left eye), H16.313 (bilateral) and H16.319 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about cornea abscess ICD-10 codes

What is the ICD-10 code for cornea abscess?

H16.31 — Corneal abscess (a header code; report a more specific subcode).

Is H16.31 billable?

No. H16.31 is a header code. Report one of its more specific subcodes instead.