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S90.455A vs S90.456A

S90.455A (Superficial foreign body, left lesser toe(s), initial encounter) compared with S90.456A (Superficial foreign body, unspecified lesser toe(s), initial encounter), from the official CMS tabular data. S90.455A and S90.456A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S90.455A
Left
Superficial foreign body, left lesser toe(s), initial encounter
S90.456A
Unspecified
Superficial foreign body, unspecified lesser toe(s), 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. S90.455A and S90.456A 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

S90.455ASuperficial foreign body, left lesser toe(s), initial encounterS90.456ASuperficial foreign body, unspecified lesser toe(s), 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)
DefinitionSuperficial foreign body, left lesser toe(s), initial encounter is a billable ICD-10-CM diagnosis code (S90.455A).Superficial foreign body, unspecified lesser toe(s), initial encounter is a billable ICD-10-CM diagnosis code (S90.456A).
7th characterThe appropriate 7th character is to be added to each code from category S90The appropriate 7th character is to be added to each code from category S90

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