S64.31XS (Injury of digital nerve of right thumb, sequela) compared with S64.32XS (Injury of digital nerve of left thumb, sequela), from the official CMS tabular data. S64.31XS and S64.32XS code the same condition on opposite sides. MedCoder-derived
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)
Same condition, opposite side. S64.31XS and S64.32XS 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.
| S64.31XSInjury of digital nerve of right thumb, sequela | S64.32XSInjury of digital nerve of left thumb, sequela | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | S00-T88 — Injury, poisoning and certain other consequences of external causes | S00-T88 — Injury, poisoning and certain other consequences of external causes |
| Definition | Injury of digital nerve of right thumb, sequela is a billable ICD-10-CM diagnosis code (S64.31S). | Injury of digital nerve of left thumb, sequela is a billable ICD-10-CM diagnosis code (S64.32S). |
| 7th character | The appropriate 7th character is to be added to each code from category S64 | The appropriate 7th character is to be added to each code from category S64 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources