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T15.10XS vs T15.12XS

T15.10XS (Foreign body in conjunctival sac, unspecified eye, sequela) compared with T15.12XS (Foreign body in conjunctival sac, left eye, sequela), from the official CMS tabular data. T15.10XS and T15.12XS code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

T15.10XS
Unspecified
Foreign body in conjunctival sac, unspecified eye, sequela
T15.12XS
Left
Foreign body in conjunctival sac, left eye, sequela

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. T15.10XS and T15.12XS 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

T15.10XSForeign body in conjunctival sac, unspecified eye, sequelaT15.12XSForeign body in conjunctival sac, left eye, sequela
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionForeign body in conjunctival sac, unspecified eye, sequela is a billable ICD-10-CM diagnosis code (T15.10S).Foreign body in conjunctival sac, left eye, sequela is a billable ICD-10-CM diagnosis code (T15.12S).
7th characterThe appropriate 7th character is to be added to each code from category T15The appropriate 7th character is to be added to each code from category T15
Use additional code
code, if known, for foreign body entering into or through a natural orifice (W44.-)
code, if known, for foreign body entering into or through a natural orifice (W44.-)

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