T26.9

T26.9: Corrosion of eye and adnexa, part unspecified

Non-billable headerICD-10-CMunspecified

T26.9 is a non-billable header ICD-10-CM code for corrosion of eye and adnexa, part unspecified. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T26

A: initial encounter
D: subsequent encounter
S: sequela

Code first

The underlying condition must be sequenced before this code.

(T51-T65) to identify chemical and intent

Use additional code

Add a secondary code to capture the detail described below.

external cause code to identify place (Y92)

Other codes that can never be billed with T26.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

H10.21Acute toxic conjunctivitis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T26.9

3 child codes. Green means billable.