S89.81XS (Other specified injuries of right lower leg, sequela) compared with S99 (Other and unspecified injuries of ankle and foot), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“other and unspecified injuries of ankle and foot (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
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. S89.81XS carries an Excludes2 note covering S99: “other and unspecified injuries of ankle and foot (S99.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. S89.81XS carries an Excludes2 note covering S99: “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.
| S89.81XSOther specified injuries of right lower leg, sequela | S99Other and unspecified injuries of ankle and foot | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: S99.001A, S99.001B, S99.001D, S99.001G, S99.001K |
| 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 right lower leg, sequela is a billable ICD-10-CM diagnosis code (S89.81S). | Other and unspecified injuries of ankle and foot is a non-billable ICD-10-CM category code (S99). |
| 7th character | The appropriate 7th character is to be added to each code in subcategory S89.8 | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources