S98.311A (Complete traumatic amputation of right midfoot, initial encounter) compared with S98.312A (Complete traumatic amputation of left midfoot, initial encounter), from the official CMS tabular data. S98.311A and S98.312A code the same condition on opposite sides.
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. S98.311A and S98.312A 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.
| S98.311AComplete traumatic amputation of right midfoot, initial encounter | S98.312AComplete traumatic amputation of left midfoot, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| 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 | Complete traumatic amputation of right midfoot, initial encounter is a billable ICD-10-CM diagnosis code (S98.311A). | Complete traumatic amputation of left midfoot, initial encounter is a billable ICD-10-CM diagnosis code (S98.312A). |
| 7th character | The appropriate 7th character is to be added to each code from category S98 | The appropriate 7th character is to be added to each code from category S98 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources