Skip to main content

S90.572 vs S90.579

S90.572 (Other superficial bite of ankle, left ankle) compared with S90.579 (Other superficial bite of ankle, unspecified ankle), from the official CMS tabular data. S90.572 and S90.579 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S90.572
Left
Other superficial bite of ankle, left ankle
S90.579
Unspecified
Other superficial bite of ankle, unspecified ankle

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. S90.572 and S90.579 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

S90.572Other superficial bite of ankle, left ankleS90.579Other superficial bite of ankle, unspecified ankle
Billing statusNon-billable header

Report instead: S90.572A, S90.572D, S90.572S

Non-billable header

Report instead: S90.579A, S90.579D, S90.579S

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 ankle, left ankle is a non-billable ICD-10-CM category code (S90.572).Other superficial bite of ankle, unspecified ankle is a non-billable ICD-10-CM category code (S90.579).
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