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S89.80XS vs S90

S89.80XS (Other specified injuries of unspecified lower leg, sequela) compared with S90 (Superficial injury of ankle, foot and toes), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

S89.80XS
Other specified injuries of unspecified lower leg, sequela
S90
Superficial injury of ankle, foot and toes

Distinct conditions — both may be reported.

“injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. S89.80XS carries an Excludes2 note covering S90: “injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

S89.80XSOther specified injuries of unspecified lower leg, sequelaS90Superficial injury of ankle, foot and toes
Billing statusBillableNon-billable header

Report instead: S90.00XA, S90.00XD, S90.00XS, S90.01XA, S90.01XD

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 specified injuries of unspecified lower leg, sequela is a billable ICD-10-CM diagnosis code (S89.80S).Superficial injury of ankle, foot and toes is a non-billable ICD-10-CM category code (S90).
7th characterThe appropriate 7th character is to be added to each code in subcategory S89.8The 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