Skip to main content

S90.921 vs S90.929

S90.921 (Unspecified superficial injury of right foot) compared with S90.929 (Unspecified superficial injury of unspecified foot), from the official CMS tabular data. S90.921 and S90.929 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S90.921
Right
Unspecified superficial injury of right foot
S90.929
Unspecified
Unspecified superficial injury of unspecified foot

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. S90.921 and S90.929 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

S90.921Unspecified superficial injury of right footS90.929Unspecified superficial injury of unspecified foot
Billing statusNon-billable header

Report instead: S90.921A, S90.921D, S90.921S

Non-billable header

Report instead: S90.929A, S90.929D, S90.929S

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)
DefinitionUnspecified superficial injury of right foot is a non-billable ICD-10-CM category code (S90.921).Unspecified superficial injury of unspecified foot is a non-billable ICD-10-CM category code (S90.929).
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