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ICD-10-CM 2027

ICD-10 code for eyelid s corrosion

T26.5

Corrosion of eyelid and periocular area

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › eyelid (s)”. Page updated September 29, 2026.

About coding eyelid s corrosion

The ICD-10-CM code for eyelid s corrosion is T26.5 (Corrosion of eyelid and periocular area).

Within T26 (burn and corrosion confined to eye and adnexa), T26.5 is specifically for corrosion of eyelid and periocular area. Related codes cover burn of eyelid and periocular area (T26.0), burn of cornea and conjunctival sac (T26.1), burn with resulting rupture and destruction of eyeball (T26.2), burns of other specified parts of eye and adnexa (T26.3), burn of eye and adnexa, part unspecified (T26.4), corrosion of cornea and conjunctival sac (T26.6), corrosion with resulting rupture and destruction of eyeball (T26.7), Corrosions of other specified parts of eye and adnexa (T26.8) and 1 more.

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

Code first: (T51-T65) to identify chemical and intent.

Common questions about eyelid s corrosion ICD-10 codes

What is the ICD-10 code for eyelid s corrosion?

T26.5 — Corrosion of eyelid and periocular area (a header code; report a more specific subcode).

Is T26.5 billable?

No. T26.5 is a header code. Report one of its more specific subcodes instead.