S89.80 (Other specified injuries of unspecified lower leg) 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).
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
Yes, when both are documented. S89.80 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.
| S89.80Other specified injuries of unspecified lower leg | S90Superficial injury of ankle, foot and toes | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header Report instead: S90.00XA, S90.00XD, S90.00XS, S90.01XA, S90.01XD |
| Classification | S00-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) |
| Definition | Other specified injuries of unspecified lower leg is a non-billable ICD-10-CM category code (S89.80). | Superficial injury of ankle, foot and toes is a non-billable ICD-10-CM category code (S90). |
| 7th character | The appropriate 7th character is to be added to each code in subcategory S89.8 | The 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