ICD-10-CM 2027 diagnosis code

T26Burn and corrosion confined to eye and adnexa

Not billable — use a more specific code

T26 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About T26

T26 is the ICD-10-CM diagnosis code for burn and corrosion confined to eye and adnexa. It belongs to block T26-T28 (burns and corrosions confined to eye and internal organs) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: T26.0 (area), T26.1 (sac), T26.2 (eyeball), T26.3 (adnexa), T26.4 (unspecified), T26.5 (area), T26.6 (sac), T26.7 (eyeball) and 2 more.

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

Specific codes under T26

Notes that apply from higher levels

Instructions written at a parent level also apply to T26.

Broader instructions also apply from Chapter 19: Injury, poisoning and certain other consequences of external causes.

Codes whose notes reference T26

H10.21Excludes1
T20Excludes2

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about T26

Is T26 billable?: No. T26 is a header code. Report one of its more specific subcodes instead.