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S80.921 vs S80.929

S80.921 (Unspecified superficial injury of right lower leg) compared with S80.929 (Unspecified superficial injury of unspecified lower leg), from the official CMS tabular data. S80.921 and S80.929 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S80.921
Right
Unspecified superficial injury of right lower leg
S80.929
Unspecified
Unspecified superficial injury of unspecified lower leg

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. S80.921 and S80.929 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

S80.921Unspecified superficial injury of right lower legS80.929Unspecified superficial injury of unspecified lower leg
Billing statusNon-billable header

Report instead: S80.921A, S80.921D, S80.921S

Non-billable header

Report instead: S80.929A, S80.929D, S80.929S

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 lower leg is a non-billable ICD-10-CM category code (S80.921).Unspecified superficial injury of unspecified lower leg is a non-billable ICD-10-CM category code (S80.929).
7th characterThe appropriate 7th character is to be added to each code from category S80The appropriate 7th character is to be added to each code from category S80

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