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T26.80XA vs T26.82XA

T26.80XA (Corrosions of other specified parts of unspecified eye and adnexa, initial encounter) compared with T26.82XA (Corrosions of other specified parts of left eye and adnexa, initial encounter), from the official CMS tabular data. T26.80XA and T26.82XA code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

T26.80XA
Unspecified
Corrosions of other specified parts of unspecified eye and adnexa, initial encounter
T26.82XA
Left
Corrosions of other specified parts of left eye and adnexa, initial encounter

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. T26.80XA and T26.82XA name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

T26.80XACorrosions of other specified parts of unspecified eye and adnexa, initial encounterT26.82XACorrosions of other specified parts of left eye and adnexa, initial encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionCorrosions of other specified parts of unspecified eye and adnexa, initial encounter is a billable ICD-10-CM diagnosis code (T26.80A).Corrosions of other specified parts of left eye and adnexa, initial encounter is a billable ICD-10-CM diagnosis code (T26.82A).
7th characterThe appropriate 7th character is to be added to each code from category T26The appropriate 7th character is to be added to each code from category T26
Use additional code
external cause code to identify place (Y92)
external cause code to identify place (Y92)
Code first
(T51-T65) to identify chemical and intent
(T51-T65) to identify chemical and intent

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources