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S90.871S vs S90.879S

S90.871S (Other superficial bite of right foot, sequela) compared with S90.879S (Other superficial bite of unspecified foot, sequela), from the official CMS tabular data. S90.871S and S90.879S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S90.871S
Right
Other superficial bite of right foot, sequela
S90.879S
Unspecified
Other superficial bite of unspecified foot, 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. S90.871S and S90.879S 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

S90.871SOther superficial bite of right foot, sequelaS90.879SOther superficial bite of unspecified foot, sequela
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)
DefinitionOther superficial bite of right foot, sequela is a billable ICD-10-CM diagnosis code (S90.871S).Other superficial bite of unspecified foot, sequela is a billable ICD-10-CM diagnosis code (S90.879S).
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